Q: What are the prime factors of the number 70,400,342?

 A: 2, 29, 179, 6781

Why are those the prime factors of the number 70,400,342?

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 70,400,342

70,400,342
Factor Arrows
235,200,171
Factor Arrows
291,213,799
Factor Arrows
1796,781

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, 29, 179, 6781

We can check our work by multiplying all of the prime factors together: 2 x 29 x 179 x 6,781 = 70,400,342

This can also be written as 21 x 291 x 1791 x 6,7811 = 70,400,342

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


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