Q: What are the prime factors of the number 722,122,158?

 A: 2, 3, 17, 179, 39551

Why are those the prime factors of the number 722,122,158?

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 722,122,158

722,122,158
Factor Arrows
2361,061,079
Factor Arrows
3120,353,693
Factor Arrows
177,079,629
Factor Arrows
17939,551

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, 17, 179, 39551

We can check our work by multiplying all of the prime factors together: 2 x 3 x 17 x 179 x 39,551 = 722,122,158

This can also be written as 21 x 31 x 171 x 1791 x 39,5511 = 722,122,158

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


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