Q: What are the prime factors of the number 253,400,232?

 A: 2, 3, 17, 199, 3121

Why are those the prime factors of the number 253,400,232?

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 253,400,232

253,400,232
Factor Arrows
2126,700,116
Factor Arrows
263,350,058
Factor Arrows
231,675,029
Factor Arrows
310,558,343
Factor Arrows
17621,079
Factor Arrows
1993,121

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, 17, 199, 3121

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 17 x 199 x 3,121 = 253,400,232

This can also be written as 23 x 31 x 171 x 1991 x 3,1211 = 253,400,232

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


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