Greatest Common Factor of 691, 420

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

• Greatest Common Factor of 691, 420 by common division method
• Greatest Common Factor of 691, 420 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 691

List of positive integer factors of 691 that divides 691 without a remainder.

1,691

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

Greatest Common Factor

We found the factors 691,420 . The biggest common factor number is the GCF number.
So the greatest common factor 691,420 is 1.

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

• GCF of 338, 652
• GCF of 880, 469
• GCF of 142, 111
• GCF of 654, 685
• GCF of 551, 218

1. What is the GCF of 691, 420?

Answer: GCF of 691, 420 is 1.

2. How to Find the GCF of 691, 420

Answer: Greatest Common Factor(GCF) of 691, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(691, 420) = 1.