Greatest Common Factor of 12, 88, 85, 90

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

• Greatest Common Factor of 12, 88, 85, 90 by common division method
• Greatest Common Factor of 12, 88, 85, 90 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 12,88,85,90 . The biggest common factor number is the GCF number.
So the greatest common factor 12,88,85,90 is 1.

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

• GCF of 71, 84, 16, 11
• GCF of 49, 73, 47, 87
• GCF of 36, 97, 55, 90
• GCF of 44, 25, 20, 55
• GCF of 38, 90, 96, 75

1. What is the GCF of 12, 88, 85, 90?

Answer: GCF of 12, 88, 85, 90 is 1.

2. How to Find the GCF of 12, 88, 85, 90

Answer: Greatest Common Factor(GCF) of 12, 88, 85, 90 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 88, 85, 90) = 1.