Greatest Common Factor of 991, 168, 196, 220

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

• Greatest Common Factor of 991, 168, 196, 220 by common division method
• Greatest Common Factor of 991, 168, 196, 220 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 991

List of positive integer factors of 991 that divides 991 without a remainder.

1,991

Factors of 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

Factors of 196

List of positive integer factors of 196 that divides 196 without a remainder.

1,2,4,7,14,28,49,98,196

Factors of 220

List of positive integer factors of 220 that divides 220 without a remainder.

1,2,4,5,10,11,20,22,44,55,110,220

Greatest Common Factor

We found the factors 991,168,196,220 . The biggest common factor number is the GCF number.
So the greatest common factor 991,168,196,220 is 1.

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

• GCF of 428, 645, 603, 725
• GCF of 922, 481, 332, 113
• GCF of 736, 986, 929, 687
• GCF of 946, 533, 755, 862
• GCF of 675, 763, 740, 213

1. What is the GCF of 991, 168, 196, 220?

Answer: GCF of 991, 168, 196, 220 is 1.

2. How to Find the GCF of 991, 168, 196, 220

Answer: Greatest Common Factor(GCF) of 991, 168, 196, 220 = 1

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

Step 2: Then multiply all the prime factors GCF(991, 168, 196, 220) = 1.