Q: What are the prime factors of the number 1,495,557?

 A: 3, 7, 41, 193

Why are those the prime factors of the number 1,495,557?

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 1,495,557

1,495,557
Factor Arrows
3498,519
Factor Arrows
3166,173
Factor Arrows
355,391
Factor Arrows
77,913
Factor Arrows
41193

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, 7, 41, 193

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 41 x 193 = 1,495,557

This can also be written as 33 x 71 x 411 x 1931 = 1,495,557

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


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