Greatest Common Factor of 55, 35, 21, 298

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

• Greatest Common Factor of 55, 35, 21, 298 by common division method
• Greatest Common Factor of 55, 35, 21, 298 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 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 21

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

1,3,7,21

Factors of 298

List of positive integer factors of 298 that divides 298 without a remainder.

1,2,149,298

Greatest Common Factor

We found the factors 55,35,21,298 . The biggest common factor number is the GCF number.
So the greatest common factor 55,35,21,298 is 1.

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

• GCF of 87, 79, 80, 252
• GCF of 91, 38, 30, 746
• GCF of 51, 21, 52, 897
• GCF of 99, 63, 60, 970
• GCF of 64, 46, 47, 575

1. What is the GCF of 55, 35, 21, 298?

Answer: GCF of 55, 35, 21, 298 is 1.

2. How to Find the GCF of 55, 35, 21, 298

Answer: Greatest Common Factor(GCF) of 55, 35, 21, 298 = 1

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

Step 2: Then multiply all the prime factors GCF(55, 35, 21, 298) = 1.