Q: What are the prime factors of the number 70,548,290?

 A: 2, 5, 41, 172069

Why are those the prime factors of the number 70,548,290?

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 70,548,290

70,548,290
Factor Arrows
235,274,145
Factor Arrows
57,054,829
Factor Arrows
41172,069

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, 5, 41, 172069

We can check our work by multiplying all of the prime factors together: 2 x 5 x 41 x 172,069 = 70,548,290

This can also be written as 21 x 51 x 411 x 172,0691 = 70,548,290

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


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