Greatest Common Factor of 55, 71, 70, 12, 16

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

• Greatest Common Factor of 55, 71, 70, 12, 16 by common division method
• Greatest Common Factor of 55, 71, 70, 12, 16 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

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 12

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

1,2,3,4,6,12

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Greatest Common Factor

We found the factors 55,71,70,12,16 . The biggest common factor number is the GCF number.
So the greatest common factor 55,71,70,12,16 is 1.

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

• GCF of 74, 69, 86, 48, 33
• GCF of 23, 82, 10, 77, 82
• GCF of 36, 13, 86, 34, 24
• GCF of 81, 26, 26, 43, 11
• GCF of 15, 10, 82, 76, 68

1. What is the GCF of 55, 71, 70, 12, 16?

Answer: GCF of 55, 71, 70, 12, 16 is 1.

2. How to Find the GCF of 55, 71, 70, 12, 16

Answer: Greatest Common Factor(GCF) of 55, 71, 70, 12, 16 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 71, 70, 12, 16) = 1.