Q: What are the prime factors of the number 351,144?

 A: 2, 3, 4877

Why are those the prime factors of the number 351,144?

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 351,144

351,144
Factor Arrows
2175,572
Factor Arrows
287,786
Factor Arrows
243,893
Factor Arrows
314,631
Factor Arrows
34,877

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, 4877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 4,877 = 351,144

This can also be written as 23 x 32 x 4,8771 = 351,144

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


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