Q: What are the prime factors of the number 131,054,508?

 A: 2, 3, 13, 280031

Why are those the prime factors of the number 131,054,508?

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 131,054,508

131,054,508
Factor Arrows
265,527,254
Factor Arrows
232,763,627
Factor Arrows
310,921,209
Factor Arrows
33,640,403
Factor Arrows
13280,031

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, 13, 280031

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 280,031 = 131,054,508

This can also be written as 22 x 32 x 131 x 280,0311 = 131,054,508

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


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