Greatest Common Factor of 65, 21, 48, 144

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

• Greatest Common Factor of 65, 21, 48, 144 by common division method
• Greatest Common Factor of 65, 21, 48, 144 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 21

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

1,3,7,21

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 144

List of positive integer factors of 144 that divides 144 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,36,48,72,144

Greatest Common Factor

We found the factors 65,21,48,144 . The biggest common factor number is the GCF number.
So the greatest common factor 65,21,48,144 is 1.

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

• GCF of 95, 66, 89, 290
• GCF of 13, 77, 50, 535
• GCF of 10, 66, 69, 941
• GCF of 33, 43, 52, 368
• GCF of 28, 86, 78, 630

1. What is the GCF of 65, 21, 48, 144?

Answer: GCF of 65, 21, 48, 144 is 1.

2. How to Find the GCF of 65, 21, 48, 144

Answer: Greatest Common Factor(GCF) of 65, 21, 48, 144 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 21, 48, 144) = 1.