Q: What are the prime factors of the number 42,180,463?

 A: 13, 43, 61, 1237

Why are those the prime factors of the number 42,180,463?

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 42,180,463

42,180,463
Factor Arrows
133,244,651
Factor Arrows
4375,457
Factor Arrows
611,237

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:

13, 43, 61, 1237

We can check our work by multiplying all of the prime factors together: 13 x 43 x 61 x 1,237 = 42,180,463

This can also be written as 131 x 431 x 611 x 1,2371 = 42,180,463

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


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