Q: What are the prime factors of the number 253,705,736?

 A: 2, 31, 269, 3803

Why are those the prime factors of the number 253,705,736?

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 253,705,736

253,705,736
Factor Arrows
2126,852,868
Factor Arrows
263,426,434
Factor Arrows
231,713,217
Factor Arrows
311,023,007
Factor Arrows
2693,803

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, 31, 269, 3803

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 31 x 269 x 3,803 = 253,705,736

This can also be written as 23 x 311 x 2691 x 3,8031 = 253,705,736

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


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