answersLogoWhite

0


Best Answer

Because if all the factors are prime, the factorization can't be broken down further.

Consider some factor strings for 210:

2 x 105

2 x 3 x 35

2 x 3 x 5 x 7

The last (and longest) is the prime factorization.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

10y ago

It's not. One isn't a Prime number.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why is 1x1x2x1x3x1x5 the longest string of prime factors?
Write your answer...
Submit
Still have questions?
magnify glass
imp