Q: What are the prime factors of the number 214,322,355?

 A: 3, 5, 13, 4523

Why are those the prime factors of the number 214,322,355?

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 214,322,355

214,322,355
Factor Arrows
371,440,785
Factor Arrows
323,813,595
Factor Arrows
37,937,865
Factor Arrows
32,645,955
Factor Arrows
3881,985
Factor Arrows
3293,995
Factor Arrows
558,799
Factor Arrows
134,523

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:

3, 5, 13, 4523

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 5 x 13 x 4,523 = 214,322,355

This can also be written as 36 x 51 x 131 x 4,5231 = 214,322,355

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


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