Q: What are the prime factors of the number 353,002,416?

 A: 2, 3, 13, 17, 107, 311

Why are those the prime factors of the number 353,002,416?

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 353,002,416

353,002,416
Factor Arrows
2176,501,208
Factor Arrows
288,250,604
Factor Arrows
244,125,302
Factor Arrows
222,062,651
Factor Arrows
37,354,217
Factor Arrows
13565,709
Factor Arrows
1733,277
Factor Arrows
107311

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, 13, 17, 107, 311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 17 x 107 x 311 = 353,002,416

This can also be written as 24 x 31 x 131 x 171 x 1071 x 3111 = 353,002,416

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


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