Q: What are the prime factors of the number 263,270,140?

 A: 2, 5, 7, 268643

Why are those the prime factors of the number 263,270,140?

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 263,270,140

263,270,140
Factor Arrows
2131,635,070
Factor Arrows
265,817,535
Factor Arrows
513,163,507
Factor Arrows
71,880,501
Factor Arrows
7268,643

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, 268643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 7 x 268,643 = 263,270,140

This can also be written as 22 x 51 x 72 x 268,6431 = 263,270,140

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


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