Q: What are the prime factors of the number 141,430,784?

 A: 2, 11, 43, 73

Why are those the prime factors of the number 141,430,784?

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 141,430,784

141,430,784
Factor Arrows
270,715,392
Factor Arrows
235,357,696
Factor Arrows
217,678,848
Factor Arrows
28,839,424
Factor Arrows
24,419,712
Factor Arrows
22,209,856
Factor Arrows
21,104,928
Factor Arrows
2552,464
Factor Arrows
2276,232
Factor Arrows
2138,116
Factor Arrows
269,058
Factor Arrows
234,529
Factor Arrows
113,139
Factor Arrows
4373

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, 11, 43, 73

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 2 x 2 x 2 x 2 x 11 x 43 x 73 = 141,430,784

This can also be written as 212 x 111 x 431 x 731 = 141,430,784

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 141,430,784:


Ask a Question