0
Factors of 45 are 1, 3, 5, 9, 15 and 45.
Factors of 165 are 1, 3, 5, 11, 15, 33, 55 and 165.
It is clear that 15 is the greatest common factor.
Alternate method:
Expressing each number as the product of prime numbers can simplify the problem easily.
Prime factorization of 45 = 3x3x5
Prime factorization of 165 = 3x5x11.
From the P.F. of both numbers it is clear that 3x5 = 15 is common.
So, Greatest common factor is 15.
the GCF is 15
Add your answer:
Earn +20 pts
What is the greatest common factor of 45 and 225?
The greatest common factor of 45 and 225 is 15.The GCF is: 45
Find the Greatest Common Factor of 45 and 65?
The Greatest Common Factor of 45, 65 is 5.
What is the greatest common factor of 26 and 45?
The greatest common factor of 26 and 45 is 1.
What is the greatest common factor of 90 30 45?
The greatest common factor of 90 , 30 , 45 = 15
What is the greatest common factor of 8 and 45?
The greatest common factor of 8 and 45 is 1. The numbers 8 and 45 have no prime factors in common.
What is the greatest common factor for 45 and 165?
The GCF is 15.
What is the greatest common factor of 45 165?
The GCF is 15.
Greatest common factor of 165 and 45?
The GCF is 15.
What is the greatest common factor of 45 and 175?
The greatest common factor of 45 and 175 is 5.
What is the greatest common factor of 45 and 225?
The greatest common factor of 45 and 225 is 15.The GCF is: 45
What are the greatest common factor of 135 225 and 45?
The greatest common factor of 135 , 225 , 45 = 45
What is the greatest common factor of 45 and 930?
The GCF (Greatest Common Factor) of 45 and 930 is: 15
Find the Greatest Common Factor of 45 and 65?
The Greatest Common Factor of 45, 65 is 5.
What is the highest common factor of 45 and 165?
It is: 15
What is the greatest common factor of 45 and 115?
The greatest common factor is 5.
What is the greatest common factor of 26 and 45?
The greatest common factor of 26 and 45 is 1.
What is the greatest common factor of 90 30 45?
The greatest common factor of 90 , 30 , 45 = 15
