Q: What are the prime factors of the number 1,077,408?

 A: 2, 3, 29, 43

Why are those the prime factors of the number 1,077,408?

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 1,077,408

1,077,408
Factor Arrows
2538,704
Factor Arrows
2269,352
Factor Arrows
2134,676
Factor Arrows
267,338
Factor Arrows
233,669
Factor Arrows
311,223
Factor Arrows
33,741
Factor Arrows
31,247
Factor Arrows
2943

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, 29, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 29 x 43 = 1,077,408

This can also be written as 25 x 33 x 291 x 431 = 1,077,408

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


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 1,077,408:


Ask a Question