Q: What are the prime factors of the number 35,500,542?

 A: 2, 3, 7, 11, 43, 1787

Why are those the prime factors of the number 35,500,542?

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 35,500,542

35,500,542
Factor Arrows
217,750,271
Factor Arrows
35,916,757
Factor Arrows
7845,251
Factor Arrows
1176,841
Factor Arrows
431,787

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, 7, 11, 43, 1787

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 43 x 1,787 = 35,500,542

This can also be written as 21 x 31 x 71 x 111 x 431 x 1,7871 = 35,500,542

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


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