Greatest Common Factor of 77, 45, 37, 620

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

• Greatest Common Factor of 77, 45, 37, 620 by common division method
• Greatest Common Factor of 77, 45, 37, 620 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 77

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

1,7,11,77

Factors of 45

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

1,3,5,9,15,45

Factors of 37

List of positive integer factors of 37 that divides 37 without a remainder.

1,37

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Greatest Common Factor

We found the factors 77,45,37,620 . The biggest common factor number is the GCF number.
So the greatest common factor 77,45,37,620 is 1.

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

• GCF of 36, 66, 13, 800
• GCF of 61, 90, 14, 870
• GCF of 99, 69, 95, 980
• GCF of 58, 54, 28, 991
• GCF of 17, 39, 64, 866

1. What is the GCF of 77, 45, 37, 620?

Answer: GCF of 77, 45, 37, 620 is 1.

2. How to Find the GCF of 77, 45, 37, 620

Answer: Greatest Common Factor(GCF) of 77, 45, 37, 620 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 45, 37, 620) = 1.