Q: What are the prime factors of the number 230,261,616?

 A: 2, 3, 13, 79, 173

Why are those the prime factors of the number 230,261,616?

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 230,261,616

230,261,616
Factor Arrows
2115,130,808
Factor Arrows
257,565,404
Factor Arrows
228,782,702
Factor Arrows
214,391,351
Factor Arrows
34,797,117
Factor Arrows
31,599,039
Factor Arrows
3533,013
Factor Arrows
3177,671
Factor Arrows
1313,667
Factor Arrows
79173

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, 13, 79, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 13 x 79 x 173 = 230,261,616

This can also be written as 24 x 34 x 131 x 791 x 1731 = 230,261,616

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


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