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Q: What numbers multiply together equal 63?

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1 x 63, 3 x 21, 7 x 9

189

189

There are no two real numbers that do, but two complex numbers that do are: (3 + i√45) and (3 - i√45). If the numbers multiply to -54 and sum to 6, then two numbers that do are: (3 + √63) ≈ 10.937 and (3 - √63) ≈ -4.937 If the numbers multiply to -54 and sum to -6, then two numbers that do are: (-3 + √63) ≈ 4.937 and (-3 - √63) ≈ -10.937

two prime numbers when added together will equal 63: 2 + 61

They are: -7*9 = -63

7x9=63

63 and 65 are the number

81

7, 3, and -3.

The two numbers that times eachother to equal to 63 are 9 and 7........... (9x7=63)

the two numbers to equal to 63 is 9 and 7.

Because when you multiply the numbers 7 and 9 together you get 63, so it has more factors than just itself and 1, making it composite.

9*7 63*1 21*3

47

There are infinitely many numbers divisible by 63, just multiply 63 by any whole number and you'll get one.

First you need to break the numbers into their prime factors. In this case we get: 63 = 3x3x7 21 = 3x7 The next step is to identify any common prime factors. In this case both have a 3 and a 7 as prime factors. Multiply these together and you get 3x7 = 21. This is the HCF. To find the LCM you just multiply the numbers together and divide by the HCF. 63x21/21 = 63 Thus 63 is the LCM.

43

1 x 63, 3 x 21, 7 x 9

3 x 63 = 189 3 + 63 = 66

1 x 63, 3 x 21, 7 x 9

1 x 63, 3 x 21, 7 x 9

189

63

63