Q: What are the prime factors of the number 711,376?

 A: 2, 173, 257

Why are those the prime factors of the number 711,376?

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 711,376

711,376
Factor Arrows
2355,688
Factor Arrows
2177,844
Factor Arrows
288,922
Factor Arrows
244,461
Factor Arrows
173257

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, 173, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 173 x 257 = 711,376

This can also be written as 24 x 1731 x 2571 = 711,376

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


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