Q: What are the prime factors of the number 430,543,215?

 A: 3, 5, 1597, 1997

Why are those the prime factors of the number 430,543,215?

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 430,543,215

430,543,215
Factor Arrows
3143,514,405
Factor Arrows
347,838,135
Factor Arrows
315,946,045
Factor Arrows
53,189,209
Factor Arrows
1,5971,997

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:

3, 5, 1597, 1997

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 1,597 x 1,997 = 430,543,215

This can also be written as 33 x 51 x 1,5971 x 1,9971 = 430,543,215

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


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