Greatest Common Factor of 55, 72, 78, 697

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

• Greatest Common Factor of 55, 72, 78, 697 by common division method
• Greatest Common Factor of 55, 72, 78, 697 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

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

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 697

List of positive integer factors of 697 that divides 697 without a remainder.

1,17,41,697

Greatest Common Factor

We found the factors 55,72,78,697 . The biggest common factor number is the GCF number.
So the greatest common factor 55,72,78,697 is 1.

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

• GCF of 81, 73, 96, 347
• GCF of 53, 45, 48, 303
• GCF of 32, 56, 18, 179
• GCF of 80, 31, 24, 308
• GCF of 59, 57, 19, 828

1. What is the GCF of 55, 72, 78, 697?

Answer: GCF of 55, 72, 78, 697 is 1.

2. How to Find the GCF of 55, 72, 78, 697

Answer: Greatest Common Factor(GCF) of 55, 72, 78, 697 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 72, 78, 697) = 1.