Q: What are the prime factors of the number 68,152,788?

 A: 2, 3, 11, 59, 2917

Why are those the prime factors of the number 68,152,788?

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 68,152,788

68,152,788
Factor Arrows
234,076,394
Factor Arrows
217,038,197
Factor Arrows
35,679,399
Factor Arrows
31,893,133
Factor Arrows
11172,103
Factor Arrows
592,917

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, 11, 59, 2917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 59 x 2,917 = 68,152,788

This can also be written as 22 x 32 x 111 x 591 x 2,9171 = 68,152,788

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


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