2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
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The GCF of 128 and 512 is 128.
1 x 512, 2 x 256, 4 x 128, 8 x 64, 16 x 32.
64 times 8 equals 512. This multiplication can be solved by adding 64 to itself 8 times, or by recognizing that multiplying by 8 is the same as doubling the number three times (64 doubled is 128, then 256, then 512). The product of 64 and 8 is a fundamental multiplication fact that can be memorized to improve mental math skills.
512 = 2 to the ninth power. Its prime factors are 1, and 2 used 9 times.512 only has one prime factor: 2
512