Q: What are the prime factors of the number 341,974,490?

 A: 2, 5, 11, 13, 89, 2687

Why are those the prime factors of the number 341,974,490?

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 341,974,490

341,974,490
Factor Arrows
2170,987,245
Factor Arrows
534,197,449
Factor Arrows
113,108,859
Factor Arrows
13239,143
Factor Arrows
892,687

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, 5, 11, 13, 89, 2687

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 13 x 89 x 2,687 = 341,974,490

This can also be written as 21 x 51 x 111 x 131 x 891 x 2,6871 = 341,974,490

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


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