Q: What are the prime factors of the number 355,425,504?

 A: 2, 3, 7, 239, 2213

Why are those the prime factors of the number 355,425,504?

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 355,425,504

355,425,504
Factor Arrows
2177,712,752
Factor Arrows
288,856,376
Factor Arrows
244,428,188
Factor Arrows
222,214,094
Factor Arrows
211,107,047
Factor Arrows
33,702,349
Factor Arrows
7528,907
Factor Arrows
2392,213

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, 7, 239, 2213

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 239 x 2,213 = 355,425,504

This can also be written as 25 x 31 x 71 x 2391 x 2,2131 = 355,425,504

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


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