Q: What are the prime factors of the number 82,603,272?

 A: 2, 3, 17, 61, 3319

Why are those the prime factors of the number 82,603,272?

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 82,603,272

82,603,272
Factor Arrows
241,301,636
Factor Arrows
220,650,818
Factor Arrows
210,325,409
Factor Arrows
33,441,803
Factor Arrows
17202,459
Factor Arrows
613,319

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, 17, 61, 3319

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 17 x 61 x 3,319 = 82,603,272

This can also be written as 23 x 31 x 171 x 611 x 3,3191 = 82,603,272

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


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