Q: What are the prime factors of the number 155,301,136?

 A: 2, 19, 37, 13807

Why are those the prime factors of the number 155,301,136?

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 155,301,136

155,301,136
Factor Arrows
277,650,568
Factor Arrows
238,825,284
Factor Arrows
219,412,642
Factor Arrows
29,706,321
Factor Arrows
19510,859
Factor Arrows
3713,807

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, 19, 37, 13807

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 37 x 13,807 = 155,301,136

This can also be written as 24 x 191 x 371 x 13,8071 = 155,301,136

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


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