Q: What are the prime factors of the number 28,510,298?

 A: 2, 19, 401, 1871

Why are those the prime factors of the number 28,510,298?

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 28,510,298

28,510,298
Factor Arrows
214,255,149
Factor Arrows
19750,271
Factor Arrows
4011,871

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, 19, 401, 1871

We can check our work by multiplying all of the prime factors together: 2 x 19 x 401 x 1,871 = 28,510,298

This can also be written as 21 x 191 x 4011 x 1,8711 = 28,510,298

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


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