Greatest Common Factor of 55, 21, 17, 276

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

• Greatest Common Factor of 55, 21, 17, 276 by common division method
• Greatest Common Factor of 55, 21, 17, 276 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 21

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

1,3,7,21

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 276

List of positive integer factors of 276 that divides 276 without a remainder.

1,2,3,4,6,12,23,46,69,92,138,276

Greatest Common Factor

We found the factors 55,21,17,276 . The biggest common factor number is the GCF number.
So the greatest common factor 55,21,17,276 is 1.

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

• GCF of 84, 87, 63, 302
• GCF of 72, 24, 40, 241
• GCF of 36, 46, 74, 836
• GCF of 72, 88, 12, 243
• GCF of 93, 42, 50, 853

1. What is the GCF of 55, 21, 17, 276?

Answer: GCF of 55, 21, 17, 276 is 1.

2. How to Find the GCF of 55, 21, 17, 276

Answer: Greatest Common Factor(GCF) of 55, 21, 17, 276 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 21, 17, 276) = 1.