Q: What are the prime factors of the number 82,499,235?

 A: 3, 5, 7, 13, 19, 3181

Why are those the prime factors of the number 82,499,235?

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 82,499,235

82,499,235
Factor Arrows
327,499,745
Factor Arrows
55,499,949
Factor Arrows
7785,707
Factor Arrows
1360,439
Factor Arrows
193,181

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, 5, 7, 13, 19, 3181

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 13 x 19 x 3,181 = 82,499,235

This can also be written as 31 x 51 x 71 x 131 x 191 x 3,1811 = 82,499,235

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


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