Q: What numbers are not a factor of 64?

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2 is the only prime factor of 64.

to factor (x2-16x+64), you need to find two number whose product is 64 and whose sum is 16. These two numbers are 8 and 8. (x2-16x+64)=(x-8)(x-8)

There cannot be a lowest common factor of just one number. To be common there need to be at least two numbers.

It is 4 because it's the highest common factor of both numbers

45 and 64 are not prime numbers because they both have more than two factors

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The only prime factor of 64 is 2.

2 is the only prime factor of 64.

The only prime factor of 64 is 2.

64

The only prime factor of 64 is 2.

64 has only one prime factor and it is 2

64 2,2,2,2,2,2

The greatest common factor of the numbers 89 and 64 is 1.

64 has only one prime factor which is 2.

The greatest common factor of the numbers 132 and 64 is 4.

64 has only one prime factor and it is 2

Yes, 2 is a factor of 64. The reason behind this is that 64 is divisible by 2. Numbers which go into 64 are its factors and 2 is one of the factors.