Q: What are the prime factors of the number 35,055,423?

 A: 3, 13, 137

Why are those the prime factors of the number 35,055,423?

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 35,055,423

35,055,423
Factor Arrows
311,685,141
Factor Arrows
33,895,047
Factor Arrows
31,298,349
Factor Arrows
3432,783
Factor Arrows
3144,261
Factor Arrows
348,087
Factor Arrows
316,029
Factor Arrows
35,343
Factor Arrows
31,781
Factor Arrows
13137

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:

3, 13, 137

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 13 x 137 = 35,055,423

This can also be written as 39 x 131 x 1371 = 35,055,423

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


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