Q: What are the prime factors of the number 424,133,340?

 A: 2, 3, 5, 17, 23, 101, 179

Why are those the prime factors of the number 424,133,340?

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 424,133,340

424,133,340
Factor Arrows
2212,066,670
Factor Arrows
2106,033,335
Factor Arrows
335,344,445
Factor Arrows
57,068,889
Factor Arrows
17415,817
Factor Arrows
2318,079
Factor Arrows
101179

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, 23, 101, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 17 x 23 x 101 x 179 = 424,133,340

This can also be written as 22 x 31 x 51 x 171 x 231 x 1011 x 1791 = 424,133,340

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


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