Q: What are the prime factors of the number 355,005,450?

 A: 2, 3, 5, 97, 2711

Why are those the prime factors of the number 355,005,450?

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 355,005,450

355,005,450
Factor Arrows
2177,502,725
Factor Arrows
359,167,575
Factor Arrows
319,722,525
Factor Arrows
36,574,175
Factor Arrows
51,314,835
Factor Arrows
5262,967
Factor Arrows
972,711

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, 5, 97, 2711

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 97 x 2,711 = 355,005,450

This can also be written as 21 x 33 x 52 x 971 x 2,7111 = 355,005,450

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


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