Greatest Common Factor of 20, 25, 221, 659

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

• Greatest Common Factor of 20, 25, 221, 659 by common division method
• Greatest Common Factor of 20, 25, 221, 659 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 20

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

1,2,4,5,10,20

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Factors of 659

List of positive integer factors of 659 that divides 659 without a remainder.

1,659

Greatest Common Factor

We found the factors 20,25,221,659 . The biggest common factor number is the GCF number.
So the greatest common factor 20,25,221,659 is 1.

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

• GCF of 29, 41, 129, 354
• GCF of 76, 89, 841, 494
• GCF of 39, 41, 893, 414
• GCF of 10, 12, 817, 863
• GCF of 11, 35, 472, 248

1. What is the GCF of 20, 25, 221, 659?

Answer: GCF of 20, 25, 221, 659 is 1.

2. How to Find the GCF of 20, 25, 221, 659

Answer: Greatest Common Factor(GCF) of 20, 25, 221, 659 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 25, 221, 659) = 1.