Q: What are the prime factors of the number 131,103,098?

 A: 2, 7, 1039, 9013

Why are those the prime factors of the number 131,103,098?

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 131,103,098

131,103,098
Factor Arrows
265,551,549
Factor Arrows
79,364,507
Factor Arrows
1,0399,013

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, 7, 1039, 9013

We can check our work by multiplying all of the prime factors together: 2 x 7 x 1,039 x 9,013 = 131,103,098

This can also be written as 21 x 71 x 1,0391 x 9,0131 = 131,103,098

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


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