Q: What are the prime factors of the number 2,798,010?

 A: 2, 3, 5, 43, 241

Why are those the prime factors of the number 2,798,010?

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 2,798,010

2,798,010
Factor Arrows
21,399,005
Factor Arrows
3466,335
Factor Arrows
3155,445
Factor Arrows
351,815
Factor Arrows
510,363
Factor Arrows
43241

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, 5, 43, 241

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 43 x 241 = 2,798,010

This can also be written as 21 x 33 x 51 x 431 x 2411 = 2,798,010

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


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