Q: What are the prime factors of the number 35,451,858?

 A: 2, 3, 13, 61, 7451

Why are those the prime factors of the number 35,451,858?

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 35,451,858

35,451,858
Factor Arrows
217,725,929
Factor Arrows
35,908,643
Factor Arrows
13454,511
Factor Arrows
617,451

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, 13, 61, 7451

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 61 x 7,451 = 35,451,858

This can also be written as 21 x 31 x 131 x 611 x 7,4511 = 35,451,858

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


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