Q: What are the prime factors of the number 67,808,384?

 A: 2, 7, 75679

Why are those the prime factors of the number 67,808,384?

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 67,808,384

67,808,384
Factor Arrows
233,904,192
Factor Arrows
216,952,096
Factor Arrows
28,476,048
Factor Arrows
24,238,024
Factor Arrows
22,119,012
Factor Arrows
21,059,506
Factor Arrows
2529,753
Factor Arrows
775,679

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, 75679

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 2 x 7 x 75,679 = 67,808,384

This can also be written as 27 x 71 x 75,6791 = 67,808,384

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


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