Q: What are the prime factors of the number 430,435,240?

 A: 2, 5, 17, 632993

Why are those the prime factors of the number 430,435,240?

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 430,435,240

430,435,240
Factor Arrows
2215,217,620
Factor Arrows
2107,608,810
Factor Arrows
253,804,405
Factor Arrows
510,760,881
Factor Arrows
17632,993

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, 5, 17, 632993

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 17 x 632,993 = 430,435,240

This can also be written as 23 x 51 x 171 x 632,9931 = 430,435,240

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


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