Greatest Common Factor of 48, 85, 91, 20, 51

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 48, 85, 91, 20, 51 by common division method
• Greatest Common Factor of 48, 85, 91, 20, 51 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 48,85,91,20,51 . The biggest common factor number is the GCF number.
So the greatest common factor 48,85,91,20,51 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 24, 35, 75, 27, 18
• GCF of 76, 50, 66, 75, 48
• GCF of 87, 55, 84, 20, 85
• GCF of 38, 22, 62, 11, 44
• GCF of 67, 14, 14, 84, 75

1. What is the GCF of 48, 85, 91, 20, 51?

Answer: GCF of 48, 85, 91, 20, 51 is 1.

2. How to Find the GCF of 48, 85, 91, 20, 51

Answer: Greatest Common Factor(GCF) of 48, 85, 91, 20, 51 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(48, 85, 91, 20, 51) = 1.