Q: What are the prime factors of the number 147,412,393?

Why are those the prime factors of the number 147,412,393?

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 147,412,393

	147,412,393
19		7,758,547
	2,729		2,843

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:

19, 2729, 2843

We can check our work by multiplying all of the prime factors together: 19 x 2,729 x 2,843 = 147,412,393

This can also be written as 19¹ x 2,729¹ x 2,843¹ = 147,412,393

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

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