Q: What are the prime factors of the number 151,021,104?

 A: 2, 3, 13, 18617

Why are those the prime factors of the number 151,021,104?

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 151,021,104

151,021,104
Factor Arrows
275,510,552
Factor Arrows
237,755,276
Factor Arrows
218,877,638
Factor Arrows
29,438,819
Factor Arrows
33,146,273
Factor Arrows
13242,021
Factor Arrows
1318,617

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, 3, 13, 18617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 13 x 18,617 = 151,021,104

This can also be written as 24 x 31 x 132 x 18,6171 = 151,021,104

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


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