Q: What are the prime factors of the number 158,581,406?

 A: 2, 17, 53, 88003

Why are those the prime factors of the number 158,581,406?

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 158,581,406

158,581,406
Factor Arrows
279,290,703
Factor Arrows
174,664,159
Factor Arrows
5388,003

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, 17, 53, 88003

We can check our work by multiplying all of the prime factors together: 2 x 17 x 53 x 88,003 = 158,581,406

This can also be written as 21 x 171 x 531 x 88,0031 = 158,581,406

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


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