Q: What are the prime factors of the number 245,960?

 A: 2, 5, 11, 13, 43

Why are those the prime factors of the number 245,960?

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 245,960

245,960
Factor Arrows
2122,980
Factor Arrows
261,490
Factor Arrows
230,745
Factor Arrows
56,149
Factor Arrows
11559
Factor Arrows
1343

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, 11, 13, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 13 x 43 = 245,960

This can also be written as 23 x 51 x 111 x 131 x 431 = 245,960

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


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