Q: What are the prime factors of the number 565,336,240?

 A: 2, 5, 7, 83, 12163

Why are those the prime factors of the number 565,336,240?

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 565,336,240

565,336,240
Factor Arrows
2282,668,120
Factor Arrows
2141,334,060
Factor Arrows
270,667,030
Factor Arrows
235,333,515
Factor Arrows
57,066,703
Factor Arrows
71,009,529
Factor Arrows
8312,163

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, 7, 83, 12163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 83 x 12,163 = 565,336,240

This can also be written as 24 x 51 x 71 x 831 x 12,1631 = 565,336,240

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


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