Greatest Common Factor of 16, 30, 80, 77

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

• Greatest Common Factor of 16, 30, 80, 77 by common division method
• Greatest Common Factor of 16, 30, 80, 77 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 16

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

1,2,4,8,16

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Greatest Common Factor

We found the factors 16,30,80,77 . The biggest common factor number is the GCF number.
So the greatest common factor 16,30,80,77 is 1.

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

• GCF of 15, 32, 16, 57
• GCF of 31, 57, 82, 64
• GCF of 11, 96, 90, 67
• GCF of 68, 61, 44, 26
• GCF of 51, 16, 26, 68

1. What is the GCF of 16, 30, 80, 77?

Answer: GCF of 16, 30, 80, 77 is 1.

2. How to Find the GCF of 16, 30, 80, 77

Answer: Greatest Common Factor(GCF) of 16, 30, 80, 77 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 30, 80, 77) = 1.