Q: What are the prime factors of the number 28,076,770?

 A: 2, 5, 103, 27259

Why are those the prime factors of the number 28,076,770?

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 28,076,770

28,076,770
Factor Arrows
214,038,385
Factor Arrows
52,807,677
Factor Arrows
10327,259

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, 5, 103, 27259

We can check our work by multiplying all of the prime factors together: 2 x 5 x 103 x 27,259 = 28,076,770

This can also be written as 21 x 51 x 1031 x 27,2591 = 28,076,770

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


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