Q: What are the prime factors of the number 71,138,088?

 A: 2, 3, 7, 15683

Why are those the prime factors of the number 71,138,088?

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 71,138,088

71,138,088
Factor Arrows
235,569,044
Factor Arrows
217,784,522
Factor Arrows
28,892,261
Factor Arrows
32,964,087
Factor Arrows
3988,029
Factor Arrows
3329,343
Factor Arrows
3109,781
Factor Arrows
715,683

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, 15683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 7 x 15,683 = 71,138,088

This can also be written as 23 x 34 x 71 x 15,6831 = 71,138,088

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


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