115k views
1 vote
What are the prime factors of 625?

A. 1, 5, 5, 5, 5
B. 5, 5, 25
C. 25, 25
D. 5, 5, 5, 5

User Sgu
by
7.9k points

2 Answers

2 votes

Answer:

D is the answer ! ^^

Explanation:

User Marmeladze
by
7.8k points
5 votes
Prime numbers are numbers that have no factors other than 1 and itself.
I know the square root of 625 is 25, so we have 25 • 25.
However, 25 isn't prime. The factors of 25 are 5&5.
We now have 5 • 5 • 5 • 5, or 5^4.

Your answer is D.)

I hope this helps!
User Mikejohnstn
by
8.3k points