Q: What are the prime factors of the number 355,402,054?

 A: 2, 7, 1307, 19423

Why are those the prime factors of the number 355,402,054?

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 355,402,054

355,402,054
Factor Arrows
2177,701,027
Factor Arrows
725,385,861
Factor Arrows
1,30719,423

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, 7, 1307, 19423

We can check our work by multiplying all of the prime factors together: 2 x 7 x 1,307 x 19,423 = 355,402,054

This can also be written as 21 x 71 x 1,3071 x 19,4231 = 355,402,054

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


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