Greatest Common Factor of 45, 18, 77, 777

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

• Greatest Common Factor of 45, 18, 77, 777 by common division method
• Greatest Common Factor of 45, 18, 77, 777 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 777

List of positive integer factors of 777 that divides 777 without a remainder.

1,3,7,21,37,111,259,777

Greatest Common Factor

We found the factors 45,18,77,777 . The biggest common factor number is the GCF number.
So the greatest common factor 45,18,77,777 is 1.

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

• GCF of 58, 65, 52, 408
• GCF of 96, 29, 50, 882
• GCF of 49, 50, 84, 529
• GCF of 25, 62, 20, 869
• GCF of 99, 71, 41, 246

1. What is the GCF of 45, 18, 77, 777?

Answer: GCF of 45, 18, 77, 777 is 1.

2. How to Find the GCF of 45, 18, 77, 777

Answer: Greatest Common Factor(GCF) of 45, 18, 77, 777 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 18, 77, 777) = 1.