Q: What are the prime factors of the number 70,777,035?

 A: 3, 5, 7, 17, 13217

Why are those the prime factors of the number 70,777,035?

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 70,777,035

70,777,035
Factor Arrows
323,592,345
Factor Arrows
37,864,115
Factor Arrows
51,572,823
Factor Arrows
7224,689
Factor Arrows
1713,217

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, 5, 7, 17, 13217

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 17 x 13,217 = 70,777,035

This can also be written as 32 x 51 x 71 x 171 x 13,2171 = 70,777,035

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


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