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The greatest common factor of 30 and 75 is 15.
Method 1: Listing Factors
List all the factors of both numbers and the highest factor that is the same is the greatest common factor.
Factors of 30: 1, 2, 3, 5, 6, 10, 15
Factors of 75: 1, 3, 5, 15, 25
The greatest common factor is 15.
Method 2: Prime Factorization
Find the prime factorization of each number. The prime numbers that the numbers all share multiply to the great common factor.
30=2*3*5
75=3*5*5
3*5=15
30 and 75 share one 3 and one 5. Therefore, the greatest common factor is 15.
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GCF of 75 and 30?
150 30:60,90,120,150,180... 75:150...
What is the gcf of 30 75 60 and 90?
The GCF is 15.
What is the GCF of 30 75?
The GCF is 15.
What is the gcf and lcm of 30 and 75?
The LCM of 30 and 75 is 150. Their GCF is 15.
What is the GCF of 2 and 30 and 75?
The GCF is 1.
What is the GCF of 30 and 36 and 75?
The GCF is 3.
What is 30 45 75 GCF?
The GCF is 15.
What is the GCF for 30 36 and 75?
GCF(36, 36, 75) = 3.
What are the greatest common factors of 30 and 75?
The GCF of 30 and 75 is 15
What is the gcf for 30 45 60 and 75?
The GCF is 15.
What is the GCF of 15 30 and 75?
The GCF is 15.
What is the Gcf of 25 30 and 75?
The GCF is 5.
