Q: What are the prime factors of the number 71,630,526?

 A: 2, 3, 11, 41, 103, 257

Why are those the prime factors of the number 71,630,526?

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 71,630,526

71,630,526
Factor Arrows
235,815,263
Factor Arrows
311,938,421
Factor Arrows
111,085,311
Factor Arrows
4126,471
Factor Arrows
103257

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, 41, 103, 257

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 41 x 103 x 257 = 71,630,526

This can also be written as 21 x 31 x 111 x 411 x 1031 x 2571 = 71,630,526

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


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