Q: What are the prime factors of the number 68,472,352?

 A: 2, 13, 19, 8663

Why are those the prime factors of the number 68,472,352?

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 68,472,352

68,472,352
Factor Arrows
234,236,176
Factor Arrows
217,118,088
Factor Arrows
28,559,044
Factor Arrows
24,279,522
Factor Arrows
22,139,761
Factor Arrows
13164,597
Factor Arrows
198,663

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, 13, 19, 8663

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 19 x 8,663 = 68,472,352

This can also be written as 25 x 131 x 191 x 8,6631 = 68,472,352

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


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