Greatest Common Factor of 90, 85, 80, 280

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

• Greatest Common Factor of 90, 85, 80, 280 by common division method
• Greatest Common Factor of 90, 85, 80, 280 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

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 280

List of positive integer factors of 280 that divides 280 without a remainder.

1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280

Greatest Common Factor

We found the factors 90,85,80,280 . The biggest common factor number is the GCF number.
So the greatest common factor 90,85,80,280 is 5.

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

• GCF of 30, 34, 39, 699
• GCF of 25, 49, 59, 885
• GCF of 71, 37, 79, 106
• GCF of 73, 42, 38, 440
• GCF of 87, 45, 57, 968

1. What is the GCF of 90, 85, 80, 280?

Answer: GCF of 90, 85, 80, 280 is 5.

2. How to Find the GCF of 90, 85, 80, 280

Answer: Greatest Common Factor(GCF) of 90, 85, 80, 280 = 5

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

Step 2: Then multiply all the prime factors GCF(90, 85, 80, 280) = 5.