Q: What are the prime factors of the number 152,300,272?

 A: 2, 31, 199, 1543

Why are those the prime factors of the number 152,300,272?

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 152,300,272

152,300,272
Factor Arrows
276,150,136
Factor Arrows
238,075,068
Factor Arrows
219,037,534
Factor Arrows
29,518,767
Factor Arrows
31307,057
Factor Arrows
1991,543

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, 31, 199, 1543

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 31 x 199 x 1,543 = 152,300,272

This can also be written as 24 x 311 x 1991 x 1,5431 = 152,300,272

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


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