Greatest Common Factor of 69, 55, 70, 210

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

• Greatest Common Factor of 69, 55, 70, 210 by common division method
• Greatest Common Factor of 69, 55, 70, 210 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 55

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

1,5,11,55

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Greatest Common Factor

We found the factors 69,55,70,210 . The biggest common factor number is the GCF number.
So the greatest common factor 69,55,70,210 is 1.

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

• GCF of 61, 30, 20, 910
• GCF of 30, 68, 80, 547
• GCF of 87, 39, 15, 930
• GCF of 15, 47, 12, 441
• GCF of 39, 95, 40, 913

1. What is the GCF of 69, 55, 70, 210?

Answer: GCF of 69, 55, 70, 210 is 1.

2. How to Find the GCF of 69, 55, 70, 210

Answer: Greatest Common Factor(GCF) of 69, 55, 70, 210 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 55, 70, 210) = 1.