Q: What are the prime factors of the number 153,127,280?

 A: 2, 5, 79, 24229

Why are those the prime factors of the number 153,127,280?

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 153,127,280

153,127,280
Factor Arrows
276,563,640
Factor Arrows
238,281,820
Factor Arrows
219,140,910
Factor Arrows
29,570,455
Factor Arrows
51,914,091
Factor Arrows
7924,229

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, 79, 24229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 79 x 24,229 = 153,127,280

This can also be written as 24 x 51 x 791 x 24,2291 = 153,127,280

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


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