Q: What are the prime factors of the number 1,415,424?

 A: 2, 3, 19, 97

Why are those the prime factors of the number 1,415,424?

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 1,415,424

1,415,424
Factor Arrows
2707,712
Factor Arrows
2353,856
Factor Arrows
2176,928
Factor Arrows
288,464
Factor Arrows
244,232
Factor Arrows
222,116
Factor Arrows
211,058
Factor Arrows
25,529
Factor Arrows
31,843
Factor Arrows
1997

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, 19, 97

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 19 x 97 = 1,415,424

This can also be written as 28 x 31 x 191 x 971 = 1,415,424

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 1,415,424:


Ask a Question