Quick Answer: What 2 Numbers Add Up To 21?

What 2 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..

What 2 Numbers add up to 48?

The factor pairs of the number 48 are: 1 x 48, 2 x 24, 3 x 16, 4 x 12, and 6 x 8. When you multiply each of these factor pairs together, you get 48….

What is the factor of 18?

Table of Factors and MultiplesFactorsMultiples1, 2, 4, 8, 1616321, 1717341, 2, 3, 6, 9, 1818361, 19193841 more rows

What is the greatest factor of 24?

The greatest common factor (GCF) of a set of numbers is the largest factor that all the numbers share. For example, 12, 20, and 24 have two common factors: 2 and 4. The largest is 4, so we say that the GCF of 12, 20, and 24 is 4.

What are the factors of 22?

22 is a composite number. 22 = 1 x 22 or 2 x 11. Factors of 22: 1, 2, 11, 22.

What are three numbers that add up to 10?

NumberRepeating Cycle of Sum of Digits of Multiples9{9,9,9,9,9,9,9,9,9}10{1,2,3,4,5,6,7,8,9}11{2,4,6,8,1,3,5,7,9}12{3,6,9,3,6,9,3,6,9}8 more rows

What two numbers make 21?

The factors of 21 are 1, 3, 7 and 21. Factor pairs of the number 21 are the numbers that result in original number on multiplying them together.

What 3 numbers add up to 21?

The numbers 4, 8 and 9 add up to 21. 4 + 8 = 12, 12 + 9 = 21.

What’s a factor of 24?

Factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24.

What two numbers have a sum of 18 and a difference of 2?

The numbers are 10 and 8. Their sum = 18 and the difference between them = 2. Add (1) and (2): 2a = 20 or a = 10, and so b = 18–10 = 8.

What are the factors of 42 in pairs?

Therefore, the factors of 42 in pairs are (1, 42), (2, 21), (3, 14) and (6, 7).

What two numbers make 18?

Factors of 18: 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 are the factors of 48?

The positive Integer factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24 and 48. When 48 is divided by the numbers 1, 2, 3, 4, 6, 8, 12, 16, 24 and 48 gives no remainder that is the remainder is zero.

What can multiply to get 24?

Answer and Explanation: The factor pairs of 24 are: 1 x 24, 2 x 12, 3 x 8, and 4 x 6. When you find the factors of a number, you are looking for numbers that can be…

What number can go into 45?

Factors of 45: 1, 3, 5, 9, 15, 45.

What numbers multiply to get 49?

49 = 1 x 49 or 7 x 7. Factors of 49: 1, 7, 49. Prime factorization: 49 = 7 x 7 which can also be written 49 = 7². Since √49 = 7, a whole number, 49 is a perfect square.

What three consecutive odd integers have a sum of 21?

Given that the sum of 3 consecutive odd numbers is 21. x = 5. = 9. Therefore the numbers are 5,7,9.

What is the factor of 3×3 24?

Algebra Examples Factor 3 3 out of 24 24 . Factor 3 3 out of 3×3+3⋅8 3 x 3 + 3 ⋅ 8 . Rewrite 8 as 23 . Since both terms are perfect cubes, factor using the sum of cubes formula, a3+b3=(a+b)(a2−ab+b2) a 3 + b 3 = ( a + b ) ( a 2 – a b + b 2 ) where a=x and b=2 .