Greatest Common Factor of 78, 21, 36, 488

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

• Greatest Common Factor of 78, 21, 36, 488 by common division method
• Greatest Common Factor of 78, 21, 36, 488 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 21

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

1,3,7,21

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 488

List of positive integer factors of 488 that divides 488 without a remainder.

1,2,4,8,61,122,244,488

Greatest Common Factor

We found the factors 78,21,36,488 . The biggest common factor number is the GCF number.
So the greatest common factor 78,21,36,488 is 1.

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

• GCF of 26, 16, 17, 725
• GCF of 88, 55, 78, 600
• GCF of 95, 31, 57, 755
• GCF of 81, 26, 77, 297
• GCF of 33, 79, 23, 225

1. What is the GCF of 78, 21, 36, 488?

Answer: GCF of 78, 21, 36, 488 is 1.

2. How to Find the GCF of 78, 21, 36, 488

Answer: Greatest Common Factor(GCF) of 78, 21, 36, 488 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 21, 36, 488) = 1.