Q: What are the prime factors of the number 8,739,264?

 A: 2, 3, 23, 1979

Why are those the prime factors of the number 8,739,264?

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 8,739,264

8,739,264
Factor Arrows
24,369,632
Factor Arrows
22,184,816
Factor Arrows
21,092,408
Factor Arrows
2546,204
Factor Arrows
2273,102
Factor Arrows
2136,551
Factor Arrows
345,517
Factor Arrows
231,979

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, 23, 1979

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 23 x 1,979 = 8,739,264

This can also be written as 26 x 31 x 231 x 1,9791 = 8,739,264

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


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