Greatest Common Factor of 420, 697, 318

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

• Greatest Common Factor of 420, 697, 318 by common division method
• Greatest Common Factor of 420, 697, 318 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 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 697

List of positive integer factors of 697 that divides 697 without a remainder.

1,17,41,697

Factors of 318

List of positive integer factors of 318 that divides 318 without a remainder.

1,2,3,6,53,106,159,318

Greatest Common Factor

We found the factors 420,697,318 . The biggest common factor number is the GCF number.
So the greatest common factor 420,697,318 is 1.

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

• GCF of 724, 507, 455
• GCF of 147, 789, 297
• GCF of 427, 919, 862
• GCF of 617, 710, 224
• GCF of 576, 508, 501

1. What is the GCF of 420, 697, 318?

Answer: GCF of 420, 697, 318 is 1.

2. How to Find the GCF of 420, 697, 318

Answer: Greatest Common Factor(GCF) of 420, 697, 318 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 697, 318) = 1.