Q: What are the prime factors of the number 105,155,063?

 A: 13, 19, 293, 1453

Why are those the prime factors of the number 105,155,063?

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 105,155,063

105,155,063
Factor Arrows
138,088,851
Factor Arrows
19425,729
Factor Arrows
2931,453

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:

13, 19, 293, 1453

We can check our work by multiplying all of the prime factors together: 13 x 19 x 293 x 1,453 = 105,155,063

This can also be written as 131 x 191 x 2931 x 1,4531 = 105,155,063

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


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