Greatest Common Factor of 21, 90, 29, 133

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

• Greatest Common Factor of 21, 90, 29, 133 by common division method
• Greatest Common Factor of 21, 90, 29, 133 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 21

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

1,3,7,21

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 29

List of positive integer factors of 29 that divides 29 without a remainder.

1,29

Factors of 133

List of positive integer factors of 133 that divides 133 without a remainder.

1,7,19,133

Greatest Common Factor

We found the factors 21,90,29,133 . The biggest common factor number is the GCF number.
So the greatest common factor 21,90,29,133 is 1.

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

• GCF of 51, 82, 96, 791
• GCF of 76, 61, 36, 837
• GCF of 54, 45, 15, 789
• GCF of 77, 48, 15, 369
• GCF of 48, 93, 45, 696

1. What is the GCF of 21, 90, 29, 133?

Answer: GCF of 21, 90, 29, 133 is 1.

2. How to Find the GCF of 21, 90, 29, 133

Answer: Greatest Common Factor(GCF) of 21, 90, 29, 133 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 90, 29, 133) = 1.