Q: What are the prime factors of the number 153,324,444?

 A: 2, 3, 7, 13, 140407

Why are those the prime factors of the number 153,324,444?

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 153,324,444

153,324,444
Factor Arrows
276,662,222
Factor Arrows
238,331,111
Factor Arrows
312,777,037
Factor Arrows
71,825,291
Factor Arrows
13140,407

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, 7, 13, 140407

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 13 x 140,407 = 153,324,444

This can also be written as 22 x 31 x 71 x 131 x 140,4071 = 153,324,444

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


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