Greatest Common Factor of 196, 420, 391

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

• Greatest Common Factor of 196, 420, 391 by common division method
• Greatest Common Factor of 196, 420, 391 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 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 196,420,391 . The biggest common factor number is the GCF number.
So the greatest common factor 196,420,391 is 1.

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

• GCF of 247, 633, 877
• GCF of 904, 282, 255
• GCF of 193, 132, 347
• GCF of 796, 643, 851
• GCF of 424, 325, 136

1. What is the GCF of 196, 420, 391?

Answer: GCF of 196, 420, 391 is 1.

2. How to Find the GCF of 196, 420, 391

Answer: Greatest Common Factor(GCF) of 196, 420, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(196, 420, 391) = 1.