Greatest Common Factor of 640, 132, 77

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

• Greatest Common Factor of 640, 132, 77 by common division method
• Greatest Common Factor of 640, 132, 77 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 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Factors of 132

List of positive integer factors of 132 that divides 132 without a remainder.

1,2,3,4,6,11,12,22,33,44,66,132

Factors of 77

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

1,7,11,77

Greatest Common Factor

We found the factors 640,132,77 . The biggest common factor number is the GCF number.
So the greatest common factor 640,132,77 is 1.

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

• GCF of 940, 145, 44
• GCF of 157, 459, 18
• GCF of 981, 155, 75
• GCF of 775, 295, 83
• GCF of 627, 939, 98

1. What is the GCF of 640, 132, 77?

Answer: GCF of 640, 132, 77 is 1.

2. How to Find the GCF of 640, 132, 77

Answer: Greatest Common Factor(GCF) of 640, 132, 77 = 1

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

Step 2: Then multiply all the prime factors GCF(640, 132, 77) = 1.