Q: What are the prime factors of the number 704,472?

 A: 2, 3, 149, 197

Why are those the prime factors of the number 704,472?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 704,472

704,472
Factor Arrows
2352,236
Factor Arrows
2176,118
Factor Arrows
288,059
Factor Arrows
329,353
Factor Arrows
149197

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 149, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 149 x 197 = 704,472

This can also be written as 23 x 31 x 1491 x 1971 = 704,472

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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