Q: What are the prime factors of the number 8,074,528?

 A: 2, 7, 11, 29, 113

Why are those the prime factors of the number 8,074,528?

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 8,074,528

8,074,528
Factor Arrows
24,037,264
Factor Arrows
22,018,632
Factor Arrows
21,009,316
Factor Arrows
2504,658
Factor Arrows
2252,329
Factor Arrows
736,047
Factor Arrows
113,277
Factor Arrows
29113

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, 7, 11, 29, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 11 x 29 x 113 = 8,074,528

This can also be written as 25 x 71 x 111 x 291 x 1131 = 8,074,528

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


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