Q: What are the prime factors of the number 345,860,141?

 A: 11, 89, 149, 2371

Why are those the prime factors of the number 345,860,141?

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 345,860,141

345,860,141
Factor Arrows
1131,441,831
Factor Arrows
89353,279
Factor Arrows
1492,371

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:

11, 89, 149, 2371

We can check our work by multiplying all of the prime factors together: 11 x 89 x 149 x 2,371 = 345,860,141

This can also be written as 111 x 891 x 1491 x 2,3711 = 345,860,141

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


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