Q: What are the prime factors of the number 109,830,492?

 A: 2, 3, 257, 1319

Why are those the prime factors of the number 109,830,492?

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 109,830,492

109,830,492
Factor Arrows
254,915,246
Factor Arrows
227,457,623
Factor Arrows
39,152,541
Factor Arrows
33,050,847
Factor Arrows
31,016,949
Factor Arrows
3338,983
Factor Arrows
2571,319

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, 257, 1319

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 257 x 1,319 = 109,830,492

This can also be written as 22 x 34 x 2571 x 1,3191 = 109,830,492

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


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