Q: What are the prime factors of the number 231,420,564?

 A: 2, 3, 41, 5807

Why are those the prime factors of the number 231,420,564?

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 231,420,564

231,420,564
Factor Arrows
2115,710,282
Factor Arrows
257,855,141
Factor Arrows
319,285,047
Factor Arrows
36,428,349
Factor Arrows
32,142,783
Factor Arrows
3714,261
Factor Arrows
3238,087
Factor Arrows
415,807

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, 41, 5807

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 41 x 5,807 = 231,420,564

This can also be written as 22 x 35 x 411 x 5,8071 = 231,420,564

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


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