Q: What are the prime factors of the number 270,881,350?

 A: 2, 5, 23, 109, 2161

Why are those the prime factors of the number 270,881,350?

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 270,881,350

270,881,350
Factor Arrows
2135,440,675
Factor Arrows
527,088,135
Factor Arrows
55,417,627
Factor Arrows
23235,549
Factor Arrows
1092,161

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, 23, 109, 2161

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 23 x 109 x 2,161 = 270,881,350

This can also be written as 21 x 52 x 231 x 1091 x 2,1611 = 270,881,350

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


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