Q: What are the prime factors of the number 28,361,956?

 A: 2, 7, 311, 3257

Why are those the prime factors of the number 28,361,956?

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 28,361,956

28,361,956
Factor Arrows
214,180,978
Factor Arrows
27,090,489
Factor Arrows
71,012,927
Factor Arrows
3113,257

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, 7, 311, 3257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 311 x 3,257 = 28,361,956

This can also be written as 22 x 71 x 3111 x 3,2571 = 28,361,956

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


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