Q: What are the prime factors of the number 431,014,100?

 A: 2, 5, 11, 179, 199

Why are those the prime factors of the number 431,014,100?

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 431,014,100

431,014,100
Factor Arrows
2215,507,050
Factor Arrows
2107,753,525
Factor Arrows
521,550,705
Factor Arrows
54,310,141
Factor Arrows
11391,831
Factor Arrows
1135,621
Factor Arrows
179199

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, 11, 179, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 11 x 11 x 179 x 199 = 431,014,100

This can also be written as 22 x 52 x 112 x 1791 x 1991 = 431,014,100

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


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