Q: What are the prime factors of the number 540,603,200?

 A: 2, 5, 19, 17783

Why are those the prime factors of the number 540,603,200?

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 540,603,200

540,603,200
Factor Arrows
2270,301,600
Factor Arrows
2135,150,800
Factor Arrows
267,575,400
Factor Arrows
233,787,700
Factor Arrows
216,893,850
Factor Arrows
28,446,925
Factor Arrows
51,689,385
Factor Arrows
5337,877
Factor Arrows
1917,783

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, 19, 17783

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 5 x 5 x 19 x 17,783 = 540,603,200

This can also be written as 26 x 52 x 191 x 17,7831 = 540,603,200

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


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