Q: What are the prime factors of the number 61,503,659?

 A: 7, 31, 151, 1877

Why are those the prime factors of the number 61,503,659?

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 61,503,659

61,503,659
Factor Arrows
78,786,237
Factor Arrows
31283,427
Factor Arrows
1511,877

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:

7, 31, 151, 1877

We can check our work by multiplying all of the prime factors together: 7 x 31 x 151 x 1,877 = 61,503,659

This can also be written as 71 x 311 x 1511 x 1,8771 = 61,503,659

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


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