Q: What are the prime factors of the number 270,976?

 A: 2, 29, 73

Why are those the prime factors of the number 270,976?

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 270,976

270,976
Factor Arrows
2135,488
Factor Arrows
267,744
Factor Arrows
233,872
Factor Arrows
216,936
Factor Arrows
28,468
Factor Arrows
24,234
Factor Arrows
22,117
Factor Arrows
2973

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, 29, 73

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 29 x 73 = 270,976

This can also be written as 27 x 291 x 731 = 270,976

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


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