Q: What are the prime factors of the number 430,020,160?

 A: 2, 5, 19, 107, 661

Why are those the prime factors of the number 430,020,160?

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 430,020,160

430,020,160
Factor Arrows
2215,010,080
Factor Arrows
2107,505,040
Factor Arrows
253,752,520
Factor Arrows
226,876,260
Factor Arrows
213,438,130
Factor Arrows
26,719,065
Factor Arrows
51,343,813
Factor Arrows
1970,727
Factor Arrows
107661

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, 19, 107, 661

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 19 x 107 x 661 = 430,020,160

This can also be written as 26 x 51 x 191 x 1071 x 6611 = 430,020,160

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


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