Greatest Common Factor of 66, 90, 21, 130

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

• Greatest Common Factor of 66, 90, 21, 130 by common division method
• Greatest Common Factor of 66, 90, 21, 130 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 66,90,21,130 . The biggest common factor number is the GCF number.
So the greatest common factor 66,90,21,130 is 1.

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

• GCF of 88, 58, 32, 866
• GCF of 11, 93, 93, 160
• GCF of 59, 33, 49, 366
• GCF of 26, 67, 73, 658
• GCF of 43, 24, 17, 373

1. What is the GCF of 66, 90, 21, 130?

Answer: GCF of 66, 90, 21, 130 is 1.

2. How to Find the GCF of 66, 90, 21, 130

Answer: Greatest Common Factor(GCF) of 66, 90, 21, 130 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 90, 21, 130) = 1.