Greatest Common Factor of 36, 81, 840, 668

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

• Greatest Common Factor of 36, 81, 840, 668 by common division method
• Greatest Common Factor of 36, 81, 840, 668 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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Factors of 668

List of positive integer factors of 668 that divides 668 without a remainder.

1,2,4,167,334,668

Greatest Common Factor

We found the factors 36,81,840,668 . The biggest common factor number is the GCF number.
So the greatest common factor 36,81,840,668 is 1.

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

• GCF of 38, 53, 243, 640
• GCF of 79, 61, 857, 538
• GCF of 94, 67, 475, 716
• GCF of 95, 70, 116, 636
• GCF of 86, 72, 859, 332

1. What is the GCF of 36, 81, 840, 668?

Answer: GCF of 36, 81, 840, 668 is 1.

2. How to Find the GCF of 36, 81, 840, 668

Answer: Greatest Common Factor(GCF) of 36, 81, 840, 668 = 1

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

Step 2: Then multiply all the prime factors GCF(36, 81, 840, 668) = 1.