Q: What are the prime factors of the number 157,227,252?

 A: 2, 3, 7, 13, 143981

Why are those the prime factors of the number 157,227,252?

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 157,227,252

157,227,252
Factor Arrows
278,613,626
Factor Arrows
239,306,813
Factor Arrows
313,102,271
Factor Arrows
71,871,753
Factor Arrows
13143,981

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, 7, 13, 143981

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 13 x 143,981 = 157,227,252

This can also be written as 22 x 31 x 71 x 131 x 143,9811 = 157,227,252

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


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