- What 4 numbers add up to 24?
- What numbers multiplied equal 15?
- What number is a factor of 63?
- What two numbers add to 18?
- What four numbers add up to 19?
- What are the multiples of 15?
- What 4 numbers add up to 27?
- What 5 numbers add up to 31?
- What three numbers make 15?
- What are the multiple of 11?
- What 4 numbers add up to 13?
- What are the factors of 11?
- What two numbers add up to 17 and subtract to 7?
- What are two numbers that add to 28 and divide to 3?
- What four numbers add up to 15?
- What 4 numbers add up to 28?
- What is the divisibility rule for 11?
- Is 15 a composite number?
- What is the 9 trick in math?
- What is the trick for multiplying by 11?
- What four numbers add up to 18?

## What 4 numbers add up to 24?

5,6,6 and 7 =24..

## What numbers multiplied equal 15?

15 = 1 x 15 or 3 x 5. Factors of 15: 1, 3, 5, 15. Prime factorization: 15 = 3 x 5.

## What number is a factor of 63?

63 is a composite number. 63 = 1 x 63, 3 x 21, or 7 x 9. Factors of 63: 1, 3, 7, 9, 21, 63. Prime factorization: 63 = 3 x 3 x 7, which can also be written 63 = 3² x 7.

## What two numbers add to 18?

Factors of 18:The square root of 18 is 4.2426, rounded down to the closest whole number is 4.Testing the integer values 1 through 4 for division into 18 with a 0 remainder we get these factor pairs: (1 and 18), (2 and 9), (3 and 6). The factors of 18 are 1, 2, 3, 6, 9, 18.

## What four numbers add up to 19?

The number 19 is prime, divisible only by itself and 1. You could “make” 19 by adding 1 and 18, 2 and 17 and so forth. You could also make it by dividing 2 into 38, 3 into 57, etc. Or subtract 1 from 20, 2 from 21, etc.

## What are the multiples of 15?

and so on. Here is the list of all multiples: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, 735, …

## What 4 numbers add up to 27?

714285); and of 6/7, 8 (. 857142). Adding 1, 4, 2, 8, 5 and 7, you always get 27.

## What 5 numbers add up to 31?

1, 3, 9, AND 18 MAKE 31 IN TOTAL & YOU CAN MAKE EVERY NUMBER UPTO 31 USING THEM.

## What three numbers make 15?

Therefore the average sum of three numbers is 45:3=15. The number 15 is called the magic number of the 3×3 square. You can also achieve 15, if you add the middle number 5 three times. The odd numbers 1,3,7, and 9 occur twice in the reductions, the even numbers 2,4,6,8 three times and the number 5 once.

## What are the multiple of 11?

How to list multiples of a number?Multiples of 11, 2, 3, 4, 5, 6, 7, 8, 9, 10, …Multiples of 1111, 22, 33, 44, 55, 66, 77, 88, 99, 110, …Multiples of 1212, 24, 36, 48, 60, 72, 84, 96, 108, 120, …Multiples of 1313, 26, 39, 52, 65, 78, 91, 104, 117, 130, …11 more rows

## What 4 numbers add up to 13?

1. Add: 9 + 4 = ? The sum of 9 + 4 is 13.

## What are the factors of 11?

Table of Factors and MultiplesFactorsMultiples1, 11111101, 2, 3, 4, 6, 12121201, 13131301, 2, 7, 141414041 more rows

## What two numbers add up to 17 and subtract to 7?

The two numbers that add to 17 and subtract to 7 are:12 and 5. And here is the math to prove that our answer to “What two numbers add to 17 and subtract to 7?” is correct:Add: 12 + 5 = 17.Subtract: 12 – 5 = 7. Add Subtract Calculator. What two numbers add to 17 and subtract to 8?

## What are two numbers that add to 28 and divide to 3?

Answer: The numbers are 7 and 21.

## What four numbers add up to 15?

The possible number whose combination would result in sum of 15 are: 69, 78, 87, 96. So, there are only 4 combinations which would result in 15.

## What 4 numbers add up to 28?

So to sum to 28 we have only the digits 9, 8, 6 and 5 and 9, 8, 7 and 4.

## What is the divisibility rule for 11?

Divisibility rules for numbers 1–30DivisorDivisibility conditionExamples11Add the digits in blocks of two from right to left. The result must be divisible by 11.627: 6 + 27 = 33 = 3 × 11.Subtract the last digit from the rest. The result must be divisible by 11.627: 62 − 7 = 55 = 5 × 11.65 more rows

## Is 15 a composite number?

The first few composite numbers (sometimes called “composites” for short) are 4, 6, 8, 9, 10, 12, 14, 15, 16, … (OEIS A002808), whose prime decompositions are summarized in the following table. Note that the number 1 is a special case which is considered to be neither composite nor prime.

## What is the 9 trick in math?

A Mathemagical Trick Start by thinking of a number, any number. Now, multiply that number by 9. If the result is a multi-digit number, add its digits together to come up with a new number. If that new number is still a multi-digit number, add its digits together to come up with yet another new number.

## What is the trick for multiplying by 11?

Multiply faster! To multiply any two-digit number by 11, simply add the digits of the number together and then put this sum between the original two digits. For example, to quickly find the answer to 11 x 53, start by adding the two digits of the number 53 together to get 5+3=8.

## What four numbers add up to 18?

There can be multiple combination of 4 digits that adds up to 18. Here are these combinations:8+6+4+0=18.9+3+6+2=18.10+1+5+2=18.11+1+4+2=18.12+1+3+2=18 etc.