Greatest Common Factor of 16, 38, 90, 680

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

• Greatest Common Factor of 16, 38, 90, 680 by common division method
• Greatest Common Factor of 16, 38, 90, 680 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 16

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

1,2,4,8,16

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

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

Factors of 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Greatest Common Factor

We found the factors 16,38,90,680 . The biggest common factor number is the GCF number.
So the greatest common factor 16,38,90,680 is 2.

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

• GCF of 98, 89, 89, 832
• GCF of 43, 87, 52, 317
• GCF of 48, 68, 16, 195
• GCF of 10, 56, 48, 603
• GCF of 97, 69, 46, 559

1. What is the GCF of 16, 38, 90, 680?

Answer: GCF of 16, 38, 90, 680 is 2.

2. How to Find the GCF of 16, 38, 90, 680

Answer: Greatest Common Factor(GCF) of 16, 38, 90, 680 = 2

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

Step 2: Then multiply all the prime factors GCF(16, 38, 90, 680) = 2.