Greatest Common Factor of 20, 11, 61, 150

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

• Greatest Common Factor of 20, 11, 61, 150 by common division method
• Greatest Common Factor of 20, 11, 61, 150 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 150

List of positive integer factors of 150 that divides 150 without a remainder.

1,2,3,5,6,10,15,25,30,50,75,150

Greatest Common Factor

We found the factors 20,11,61,150 . The biggest common factor number is the GCF number.
So the greatest common factor 20,11,61,150 is 1.

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

• GCF of 15, 21, 83, 464
• GCF of 15, 56, 78, 189
• GCF of 74, 60, 87, 302
• GCF of 22, 15, 67, 389
• GCF of 72, 67, 56, 372

1. What is the GCF of 20, 11, 61, 150?

Answer: GCF of 20, 11, 61, 150 is 1.

2. How to Find the GCF of 20, 11, 61, 150

Answer: Greatest Common Factor(GCF) of 20, 11, 61, 150 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 11, 61, 150) = 1.