Greatest Common Factor of 16, 20, 12, 623

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

• Greatest Common Factor of 16, 20, 12, 623 by common division method
• Greatest Common Factor of 16, 20, 12, 623 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 12

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

1,2,3,4,6,12

Factors of 623

List of positive integer factors of 623 that divides 623 without a remainder.

1,7,89,623

Greatest Common Factor

We found the factors 16,20,12,623 . The biggest common factor number is the GCF number.
So the greatest common factor 16,20,12,623 is 1.

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

• GCF of 13, 71, 80, 423
• GCF of 14, 89, 67, 551
• GCF of 61, 59, 20, 982
• GCF of 29, 18, 69, 990
• GCF of 77, 86, 24, 443

1. What is the GCF of 16, 20, 12, 623?

Answer: GCF of 16, 20, 12, 623 is 1.

2. How to Find the GCF of 16, 20, 12, 623

Answer: Greatest Common Factor(GCF) of 16, 20, 12, 623 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 20, 12, 623) = 1.