Q: What are the prime factors of the number 71,506,239?

 A: 3, 7, 69491

Why are those the prime factors of the number 71,506,239?

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 71,506,239

71,506,239
Factor Arrows
323,835,413
Factor Arrows
73,405,059
Factor Arrows
7486,437
Factor Arrows
769,491

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:

3, 7, 69491

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 7 x 69,491 = 71,506,239

This can also be written as 31 x 73 x 69,4911 = 71,506,239

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


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