Q: What are the prime factors of the number 105,341,224?

 A: 2, 29, 31, 97, 151

Why are those the prime factors of the number 105,341,224?

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 105,341,224

105,341,224
Factor Arrows
252,670,612
Factor Arrows
226,335,306
Factor Arrows
213,167,653
Factor Arrows
29454,057
Factor Arrows
3114,647
Factor Arrows
97151

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, 29, 31, 97, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 29 x 31 x 97 x 151 = 105,341,224

This can also be written as 23 x 291 x 311 x 971 x 1511 = 105,341,224

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


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