Q: What are the prime factors of the number 432,442,140?

 A: 2, 3, 5, 13, 281, 1973

Why are those the prime factors of the number 432,442,140?

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 432,442,140

432,442,140
Factor Arrows
2216,221,070
Factor Arrows
2108,110,535
Factor Arrows
336,036,845
Factor Arrows
57,207,369
Factor Arrows
13554,413
Factor Arrows
2811,973

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, 13, 281, 1973

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13 x 281 x 1,973 = 432,442,140

This can also be written as 22 x 31 x 51 x 131 x 2811 x 1,9731 = 432,442,140

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


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