Greatest Common Factor of 48, 80, 16, 645

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

• Greatest Common Factor of 48, 80, 16, 645 by common division method
• Greatest Common Factor of 48, 80, 16, 645 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Greatest Common Factor

We found the factors 48,80,16,645 . The biggest common factor number is the GCF number.
So the greatest common factor 48,80,16,645 is 1.

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

• GCF of 49, 18, 72, 842
• GCF of 12, 56, 94, 981
• GCF of 58, 65, 88, 876
• GCF of 88, 55, 75, 672
• GCF of 13, 79, 81, 990

1. What is the GCF of 48, 80, 16, 645?

Answer: GCF of 48, 80, 16, 645 is 1.

2. How to Find the GCF of 48, 80, 16, 645

Answer: Greatest Common Factor(GCF) of 48, 80, 16, 645 = 1

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

Step 2: Then multiply all the prime factors GCF(48, 80, 16, 645) = 1.