Find the highest common factor of 300 and 396.
2016
Find the highest common factor of 300 and 396.
- A.
9
- B.
6
- C.
12
- D.
8
Attempted by 111 students.
Show answer & explanation
Correct answer: C
Prime factorization: 300 = 2^2 x 3 x 5^2 and 396 = 2^2 x 3^2 x 11.
The common prime factors with least powers are 2^2 and 3.
HCF = 4 x 3 = 12.