Q: What are the prime factors of the number 135,202,004?

 A: 2, 7, 23, 149, 1409

Why are those the prime factors of the number 135,202,004?

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 135,202,004

135,202,004
Factor Arrows
267,601,002
Factor Arrows
233,800,501
Factor Arrows
74,828,643
Factor Arrows
23209,941
Factor Arrows
1491,409

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, 7, 23, 149, 1409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 23 x 149 x 1,409 = 135,202,004

This can also be written as 22 x 71 x 231 x 1491 x 1,4091 = 135,202,004

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


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