Q: What are the prime factors of the number 332,226,400?

 A: 2, 5, 11, 19, 1987

Why are those the prime factors of the number 332,226,400?

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 332,226,400

332,226,400
Factor Arrows
2166,113,200
Factor Arrows
283,056,600
Factor Arrows
241,528,300
Factor Arrows
220,764,150
Factor Arrows
210,382,075
Factor Arrows
52,076,415
Factor Arrows
5415,283
Factor Arrows
1137,753
Factor Arrows
191,987

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, 5, 11, 19, 1987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 11 x 19 x 1,987 = 332,226,400

This can also be written as 25 x 52 x 111 x 191 x 1,9871 = 332,226,400

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


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