Q: What are the prime factors of the number 35,356,440?

 A: 2, 3, 5, 7, 859

Why are those the prime factors of the number 35,356,440?

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 35,356,440

35,356,440
Factor Arrows
217,678,220
Factor Arrows
28,839,110
Factor Arrows
24,419,555
Factor Arrows
31,473,185
Factor Arrows
5294,637
Factor Arrows
742,091
Factor Arrows
76,013
Factor Arrows
7859

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, 7, 859

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 7 x 7 x 7 x 859 = 35,356,440

This can also be written as 23 x 31 x 51 x 73 x 8591 = 35,356,440

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


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