Q: What are the prime factors of the number 738,211,788?

 A: 2, 3, 19, 43, 1321

Why are those the prime factors of the number 738,211,788?

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 738,211,788

738,211,788
Factor Arrows
2369,105,894
Factor Arrows
2184,552,947
Factor Arrows
361,517,649
Factor Arrows
320,505,883
Factor Arrows
191,079,257
Factor Arrows
1956,803
Factor Arrows
431,321

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, 43, 1321

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 19 x 19 x 43 x 1,321 = 738,211,788

This can also be written as 22 x 32 x 192 x 431 x 1,3211 = 738,211,788

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 738,211,788:


Ask a Question