Greatest Common Factor of 84, 40, 81, 284

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

• Greatest Common Factor of 84, 40, 81, 284 by common division method
• Greatest Common Factor of 84, 40, 81, 284 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 81

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

1,3,9,27,81

Factors of 284

List of positive integer factors of 284 that divides 284 without a remainder.

1,2,4,71,142,284

Greatest Common Factor

We found the factors 84,40,81,284 . The biggest common factor number is the GCF number.
So the greatest common factor 84,40,81,284 is 1.

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

• GCF of 56, 84, 99, 488
• GCF of 81, 22, 38, 527
• GCF of 93, 72, 64, 490
• GCF of 25, 77, 55, 838
• GCF of 78, 32, 67, 927

1. What is the GCF of 84, 40, 81, 284?

Answer: GCF of 84, 40, 81, 284 is 1.

2. How to Find the GCF of 84, 40, 81, 284

Answer: Greatest Common Factor(GCF) of 84, 40, 81, 284 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 40, 81, 284) = 1.