Q: What are the prime factors of the number 274,545,516?

 A: 2, 3, 7, 19, 172021

Why are those the prime factors of the number 274,545,516?

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 274,545,516

274,545,516
Factor Arrows
2137,272,758
Factor Arrows
268,636,379
Factor Arrows
322,878,793
Factor Arrows
73,268,399
Factor Arrows
19172,021

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, 7, 19, 172021

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 19 x 172,021 = 274,545,516

This can also be written as 22 x 31 x 71 x 191 x 172,0211 = 274,545,516

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


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