Q: What are the prime factors of the number 245,635,500?

 A: 2, 3, 5, 11, 14887

Why are those the prime factors of the number 245,635,500?

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 245,635,500

245,635,500
Factor Arrows
2122,817,750
Factor Arrows
261,408,875
Factor Arrows
320,469,625
Factor Arrows
54,093,925
Factor Arrows
5818,785
Factor Arrows
5163,757
Factor Arrows
1114,887

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, 5, 11, 14887

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 5 x 11 x 14,887 = 245,635,500

This can also be written as 22 x 31 x 53 x 111 x 14,8871 = 245,635,500

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


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