Greatest Common Factor of 20, 22, 145

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

• Greatest Common Factor of 20, 22, 145 by common division method
• Greatest Common Factor of 20, 22, 145 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 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Greatest Common Factor

We found the factors 20,22,145 . The biggest common factor number is the GCF number.
So the greatest common factor 20,22,145 is 1.

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

• GCF of 83, 31, 591
• GCF of 78, 72, 246
• GCF of 24, 61, 366
• GCF of 21, 72, 444
• GCF of 29, 51, 445

1. What is the GCF of 20, 22, 145?

Answer: GCF of 20, 22, 145 is 1.

2. How to Find the GCF of 20, 22, 145

Answer: Greatest Common Factor(GCF) of 20, 22, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 22, 145) = 1.