Q: What are the prime factors of the number 109,221,460?

 A: 2, 5, 5461073

Why are those the prime factors of the number 109,221,460?

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 109,221,460

109,221,460
Factor Arrows
254,610,730
Factor Arrows
227,305,365
Factor Arrows
55,461,073

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, 5, 5461073

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5,461,073 = 109,221,460

This can also be written as 22 x 51 x 5,461,0731 = 109,221,460

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


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