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Question

Prime factors of 640.


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Solution

Determine the prime factor of 640.

A prime number is one that only has two factors: one and the number itself.
Finding which prime numbers multiply to produce the original number is known as "prime factorization."

640=8×8×10=2×2×2×2×2×2×2×5=27×5

Hence, the prime factor of 640 are 2 and 5.


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