Greatest Common Factor of 84, 20, 15, 419

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

• Greatest Common Factor of 84, 20, 15, 419 by common division method
• Greatest Common Factor of 84, 20, 15, 419 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 419

List of positive integer factors of 419 that divides 419 without a remainder.

1,419

Greatest Common Factor

We found the factors 84,20,15,419 . The biggest common factor number is the GCF number.
So the greatest common factor 84,20,15,419 is 1.

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

• GCF of 39, 33, 62, 933
• GCF of 26, 49, 27, 490
• GCF of 54, 73, 55, 784
• GCF of 69, 87, 32, 568
• GCF of 43, 65, 92, 894

1. What is the GCF of 84, 20, 15, 419?

Answer: GCF of 84, 20, 15, 419 is 1.

2. How to Find the GCF of 84, 20, 15, 419

Answer: Greatest Common Factor(GCF) of 84, 20, 15, 419 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 20, 15, 419) = 1.