Q: What are the prime factors of the number 270,442,240?

 A: 2, 5, 211283

Why are those the prime factors of the number 270,442,240?

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 270,442,240

270,442,240
Factor Arrows
2135,221,120
Factor Arrows
267,610,560
Factor Arrows
233,805,280
Factor Arrows
216,902,640
Factor Arrows
28,451,320
Factor Arrows
24,225,660
Factor Arrows
22,112,830
Factor Arrows
21,056,415
Factor Arrows
5211,283

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, 211283

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 2 x 5 x 211,283 = 270,442,240

This can also be written as 28 x 51 x 211,2831 = 270,442,240

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


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