Q: What are the prime factors of the number 434,516,340?

 A: 2, 3, 5, 157, 193, 239

Why are those the prime factors of the number 434,516,340?

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 434,516,340

434,516,340
Factor Arrows
2217,258,170
Factor Arrows
2108,629,085
Factor Arrows
336,209,695
Factor Arrows
57,241,939
Factor Arrows
15746,127
Factor Arrows
193239

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, 157, 193, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 157 x 193 x 239 = 434,516,340

This can also be written as 22 x 31 x 51 x 1571 x 1931 x 2391 = 434,516,340

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


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