Q: What are the prime factors of the number 121,250,404?

 A: 2, 11, 233, 11827

Why are those the prime factors of the number 121,250,404?

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 121,250,404

121,250,404
Factor Arrows
260,625,202
Factor Arrows
230,312,601
Factor Arrows
112,755,691
Factor Arrows
23311,827

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, 11, 233, 11827

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 233 x 11,827 = 121,250,404

This can also be written as 22 x 111 x 2331 x 11,8271 = 121,250,404

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


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