1, 2, 4, 8, 16, 32, and 64.
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The proper factors of 64 are 2, 4, 8, 16 and 32. For proper factors of a number exclude 1 and the number itself from the list of factors.
1, 2, 4, 8, 16, 32, 64
The product of all the common prime factors is the GCF. The product of all common factors would vary according to the list.
The factors of 64 are 1, 2, 4, 8, 16, 32 and 64
To tackle this question, you first need to break the number down into its prime factors. In this case we have 64 = 2x2x2x2x2x2 To find the greater factors, you need to multiply any combination of these. That gives us the factors as 2, 4, 8, 16, 32 and 64 Adding these up for the sum gives us 126 Thus the sum of all even factors of 64 is 126.