Q: What are the prime factors of the number 1,543,050?

 A: 2, 3, 5, 127

Why are those the prime factors of the number 1,543,050?

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 1,543,050

1,543,050
Factor Arrows
2771,525
Factor Arrows
3257,175
Factor Arrows
385,725
Factor Arrows
328,575
Factor Arrows
39,525
Factor Arrows
33,175
Factor Arrows
5635
Factor Arrows
5127

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, 127

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 5 x 5 x 127 = 1,543,050

This can also be written as 21 x 35 x 52 x 1271 = 1,543,050

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


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