Q: What are the prime factors of the number 244,140?

 A: 2, 3, 5, 13, 313

Why are those the prime factors of the number 244,140?

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 244,140

244,140
Factor Arrows
2122,070
Factor Arrows
261,035
Factor Arrows
320,345
Factor Arrows
54,069
Factor Arrows
13313

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, 13, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13 x 313 = 244,140

This can also be written as 22 x 31 x 51 x 131 x 3131 = 244,140

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


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