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What is the GCF of 128?
To find the GCF, you need at least two numbers.
Prime numbers of 128?
The only prime factor of 128 is 2.
What numbers can you multiply to get 128?
As a product of its prime factors in exponents: 2^7 = 128
What numbers can go into 18 and 50?
The only two numbers that go into 18 and 50 evenly are one and two.
What is the prime factorization for 128?
Prime factorization is breaking down a number into all of the prime numbers that make it up.For example, in 128, since it is even, the easiest first step would be diving by two, a prime number.64 * 2 = 128. Now divide 64, another even number, by two.32 * 2 * 2 = 128. Divide 32 by two.16 * 2 * 2 * 2 = 128. Divide by two again.8 * 2 * 2 * 2 * 2 = 128. Divide by two again.4 * 2 * 2 * 2 * 2 * 2 = 128. Divide by two a final time.2 * 2 * 2 * 2 * 2 * 2 * 2 = 128. This is your prime factorization.But you write it condensed, so 27 would be the prime factorization for 128.
