Here's a good method to quickly find GCFs:
(1) Replace the larger number with the difference of the two numbers.
(2) If the two new numbers are the same, then that gives the GCF. Otherwise repeat step (1) on the new numbers.
With 64 and 32:
(64,32) -> (32,32) (64 has been replaced with 32 since 64-32=32)
The two numbers are now the same, so the answer is 32.
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The LCM is: 960 The GCF is: 8
16
The number that is a perfect square and has a factor of 32 is 64. A perfect square is a number that can be expressed as the product of an integer multiplied by itself, such as 8 x 8 = 64. Since 32 is a factor of 64, it means that 64 can be divided evenly by 32 without leaving a remainder.
LCM of 10 32 64 80 is 320.
A = LW 64 = 64 * 1 or 1 * 64 64= 32 * 2 or 2 * 32 64 = 16 * 4 or 4 * 16