Q: What are the prime factors of the number 231,612,528?

 A: 2, 3, 7, 263, 2621

Why are those the prime factors of the number 231,612,528?

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 231,612,528

231,612,528
Factor Arrows
2115,806,264
Factor Arrows
257,903,132
Factor Arrows
228,951,566
Factor Arrows
214,475,783
Factor Arrows
34,825,261
Factor Arrows
7689,323
Factor Arrows
2632,621

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, 7, 263, 2621

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 263 x 2,621 = 231,612,528

This can also be written as 24 x 31 x 71 x 2631 x 2,6211 = 231,612,528

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


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