Greatest Common Factor of 842, 419, 20

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

• Greatest Common Factor of 842, 419, 20 by common division method
• Greatest Common Factor of 842, 419, 20 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 842

List of positive integer factors of 842 that divides 842 without a remainder.

1,2,421,842

Factors of 419

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

1,419

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 842,419,20 . The biggest common factor number is the GCF number.
So the greatest common factor 842,419,20 is 1.

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

• GCF of 913, 421, 62
• GCF of 913, 324, 83
• GCF of 472, 580, 56
• GCF of 985, 978, 36
• GCF of 505, 185, 13

1. What is the GCF of 842, 419, 20?

Answer: GCF of 842, 419, 20 is 1.

2. How to Find the GCF of 842, 419, 20

Answer: Greatest Common Factor(GCF) of 842, 419, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(842, 419, 20) = 1.