Greatest Common Factor of 81, 68, 70, 33, 248

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

• Greatest Common Factor of 81, 68, 70, 33, 248 by common division method
• Greatest Common Factor of 81, 68, 70, 33, 248 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 81

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

1,3,9,27,81

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Factors of 248

List of positive integer factors of 248 that divides 248 without a remainder.

1,2,4,8,31,62,124,248

Greatest Common Factor

We found the factors 81,68,70,33,248 . The biggest common factor number is the GCF number.
So the greatest common factor 81,68,70,33,248 is 1.

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

• GCF of 57, 37, 46, 74, 954
• GCF of 78, 82, 32, 73, 498
• GCF of 18, 38, 90, 22, 210
• GCF of 52, 24, 48, 73, 780
• GCF of 22, 53, 59, 29, 443

1. What is the GCF of 81, 68, 70, 33, 248?

Answer: GCF of 81, 68, 70, 33, 248 is 1.

2. How to Find the GCF of 81, 68, 70, 33, 248

Answer: Greatest Common Factor(GCF) of 81, 68, 70, 33, 248 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 68, 70, 33, 248) = 1.