Q: What are the prime factors of the number 158,241,570?

 A: 2, 3, 5, 53, 99523

Why are those the prime factors of the number 158,241,570?

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 158,241,570

158,241,570
Factor Arrows
279,120,785
Factor Arrows
326,373,595
Factor Arrows
55,274,719
Factor Arrows
5399,523

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, 5, 53, 99523

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 53 x 99,523 = 158,241,570

This can also be written as 21 x 31 x 51 x 531 x 99,5231 = 158,241,570

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


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