Q: What are the prime factors of the number 73,403,331?

 A: 3, 17, 47, 113, 271

Why are those the prime factors of the number 73,403,331?

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 73,403,331

73,403,331
Factor Arrows
324,467,777
Factor Arrows
171,439,281
Factor Arrows
4730,623
Factor Arrows
113271

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:

3, 17, 47, 113, 271

We can check our work by multiplying all of the prime factors together: 3 x 17 x 47 x 113 x 271 = 73,403,331

This can also be written as 31 x 171 x 471 x 1131 x 2711 = 73,403,331

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


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