Q: What are the prime factors of the number 8,465,436?

 A: 2, 3, 7, 4799

Why are those the prime factors of the number 8,465,436?

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 8,465,436

8,465,436
Factor Arrows
24,232,718
Factor Arrows
22,116,359
Factor Arrows
3705,453
Factor Arrows
3235,151
Factor Arrows
733,593
Factor Arrows
74,799

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, 7, 4799

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 7 x 4,799 = 8,465,436

This can also be written as 22 x 32 x 72 x 4,7991 = 8,465,436

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


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