Q: What are the prime factors of the number 35,553,540?

 A: 2, 3, 5, 11, 103, 523

Why are those the prime factors of the number 35,553,540?

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 35,553,540

35,553,540
Factor Arrows
217,776,770
Factor Arrows
28,888,385
Factor Arrows
32,962,795
Factor Arrows
5592,559
Factor Arrows
1153,869
Factor Arrows
103523

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, 11, 103, 523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 11 x 103 x 523 = 35,553,540

This can also be written as 22 x 31 x 51 x 111 x 1031 x 5231 = 35,553,540

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


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