Q: What are the prime factors of the number 121,214,335?

 A: 5, 11, 17, 129641

Why are those the prime factors of the number 121,214,335?

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 121,214,335

121,214,335
Factor Arrows
524,242,867
Factor Arrows
112,203,897
Factor Arrows
17129,641

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:

5, 11, 17, 129641

We can check our work by multiplying all of the prime factors together: 5 x 11 x 17 x 129,641 = 121,214,335

This can also be written as 51 x 111 x 171 x 129,6411 = 121,214,335

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


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