Q: What are the prime factors of the number 131,302,325?

 A: 5, 7, 11, 68209

Why are those the prime factors of the number 131,302,325?

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 131,302,325

131,302,325
Factor Arrows
526,260,465
Factor Arrows
55,252,093
Factor Arrows
7750,299
Factor Arrows
1168,209

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:

5, 7, 11, 68209

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 11 x 68,209 = 131,302,325

This can also be written as 52 x 71 x 111 x 68,2091 = 131,302,325

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


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