Greatest Common Factor of 420, 495, 697

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

• Greatest Common Factor of 420, 495, 697 by common division method
• Greatest Common Factor of 420, 495, 697 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 495

List of positive integer factors of 495 that divides 495 without a remainder.

1,3,5,9,11,15,33,45,55,99,165,495

Factors of 697

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

1,17,41,697

Greatest Common Factor

We found the factors 420,495,697 . The biggest common factor number is the GCF number.
So the greatest common factor 420,495,697 is 1.

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

• GCF of 103, 780, 366
• GCF of 840, 272, 681
• GCF of 643, 488, 468
• GCF of 466, 928, 440
• GCF of 128, 777, 895

1. What is the GCF of 420, 495, 697?

Answer: GCF of 420, 495, 697 is 1.

2. How to Find the GCF of 420, 495, 697

Answer: Greatest Common Factor(GCF) of 420, 495, 697 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 495, 697) = 1.