Greatest Common Factor of 420, 687, 360

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

• Greatest Common Factor of 420, 687, 360 by common division method
• Greatest Common Factor of 420, 687, 360 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 687

List of positive integer factors of 687 that divides 687 without a remainder.

1,3,229,687

Factors of 360

List of positive integer factors of 360 that divides 360 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,18,20,24,30,36,40,45,60,72,90,120,180,360

Greatest Common Factor

We found the factors 420,687,360 . The biggest common factor number is the GCF number.
So the greatest common factor 420,687,360 is 3.

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

• GCF of 340, 872, 635
• GCF of 590, 424, 976
• GCF of 624, 335, 370
• GCF of 450, 284, 916
• GCF of 707, 466, 261

1. What is the GCF of 420, 687, 360?

Answer: GCF of 420, 687, 360 is 3.

2. How to Find the GCF of 420, 687, 360

Answer: Greatest Common Factor(GCF) of 420, 687, 360 = 3

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

Step 2: Then multiply all the prime factors GCF(420, 687, 360) = 3.