Q: What are the prime factors of the number 65,093,472?

 A: 2, 3, 79, 2861

Why are those the prime factors of the number 65,093,472?

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 65,093,472

65,093,472
Factor Arrows
232,546,736
Factor Arrows
216,273,368
Factor Arrows
28,136,684
Factor Arrows
24,068,342
Factor Arrows
22,034,171
Factor Arrows
3678,057
Factor Arrows
3226,019
Factor Arrows
792,861

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, 79, 2861

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 3 x 79 x 2,861 = 65,093,472

This can also be written as 25 x 32 x 791 x 2,8611 = 65,093,472

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


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