Q: What are the prime factors of the number 355,641,372?

 A: 2, 3, 9878927

Why are those the prime factors of the number 355,641,372?

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 355,641,372

355,641,372
Factor Arrows
2177,820,686
Factor Arrows
288,910,343
Factor Arrows
329,636,781
Factor Arrows
39,878,927

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, 9878927

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 9,878,927 = 355,641,372

This can also be written as 22 x 32 x 9,878,9271 = 355,641,372

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


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