Q: What are the prime factors of the number 1,734,375?

 A: 3, 5, 37

Why are those the prime factors of the number 1,734,375?

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 1,734,375

1,734,375
Factor Arrows
3578,125
Factor Arrows
5115,625
Factor Arrows
523,125
Factor Arrows
54,625
Factor Arrows
5925
Factor Arrows
5185
Factor Arrows
537

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, 5, 37

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 5 x 5 x 5 x 37 = 1,734,375

This can also be written as 31 x 56 x 371 = 1,734,375

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


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