Q: What are the prime factors of the number 70,377,012?

 A: 2, 3, 281, 773

Why are those the prime factors of the number 70,377,012?

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 70,377,012

70,377,012
Factor Arrows
235,188,506
Factor Arrows
217,594,253
Factor Arrows
35,864,751
Factor Arrows
31,954,917
Factor Arrows
3651,639
Factor Arrows
3217,213
Factor Arrows
281773

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, 281, 773

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 281 x 773 = 70,377,012

This can also be written as 22 x 34 x 2811 x 7731 = 70,377,012

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


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