Q: What are the prime factors of the number 342,130,440?

 A: 2, 3, 5, 17, 167711

Why are those the prime factors of the number 342,130,440?

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 342,130,440

342,130,440
Factor Arrows
2171,065,220
Factor Arrows
285,532,610
Factor Arrows
242,766,305
Factor Arrows
314,255,435
Factor Arrows
52,851,087
Factor Arrows
17167,711

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, 5, 17, 167711

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 17 x 167,711 = 342,130,440

This can also be written as 23 x 31 x 51 x 171 x 167,7111 = 342,130,440

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


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