Greatest Common Factor of 80, 22, 25, 420

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

• Greatest Common Factor of 80, 22, 25, 420 by common division method
• Greatest Common Factor of 80, 22, 25, 420 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

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

Greatest Common Factor

We found the factors 80,22,25,420 . The biggest common factor number is the GCF number.
So the greatest common factor 80,22,25,420 is 1.

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

• GCF of 49, 81, 88, 580
• GCF of 14, 54, 57, 360
• GCF of 33, 16, 66, 291
• GCF of 94, 37, 35, 545
• GCF of 45, 87, 30, 362

1. What is the GCF of 80, 22, 25, 420?

Answer: GCF of 80, 22, 25, 420 is 1.

2. How to Find the GCF of 80, 22, 25, 420

Answer: Greatest Common Factor(GCF) of 80, 22, 25, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 22, 25, 420) = 1.