Q: What are the prime factors of the number 83,457,312?

 A: 2, 3, 587, 1481

Why are those the prime factors of the number 83,457,312?

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 83,457,312

83,457,312
Factor Arrows
241,728,656
Factor Arrows
220,864,328
Factor Arrows
210,432,164
Factor Arrows
25,216,082
Factor Arrows
22,608,041
Factor Arrows
3869,347
Factor Arrows
5871,481

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, 587, 1481

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 587 x 1,481 = 83,457,312

This can also be written as 25 x 31 x 5871 x 1,4811 = 83,457,312

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


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