Q: What are the prime factors of the number 274,555,413?

 A: 3, 11, 109, 257

Why are those the prime factors of the number 274,555,413?

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 274,555,413

274,555,413
Factor Arrows
391,518,471
Factor Arrows
330,506,157
Factor Arrows
310,168,719
Factor Arrows
33,389,573
Factor Arrows
11308,143
Factor Arrows
1128,013
Factor Arrows
109257

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:

3, 11, 109, 257

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 11 x 11 x 109 x 257 = 274,555,413

This can also be written as 34 x 112 x 1091 x 2571 = 274,555,413

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


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