Greatest Common Factor of 28, 12, 705

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

• Greatest Common Factor of 28, 12, 705 by common division method
• Greatest Common Factor of 28, 12, 705 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 705

List of positive integer factors of 705 that divides 705 without a remainder.

1,3,5,15,47,141,235,705

Greatest Common Factor

We found the factors 28,12,705 . The biggest common factor number is the GCF number.
So the greatest common factor 28,12,705 is 1.

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

• GCF of 14, 51, 527
• GCF of 33, 15, 641
• GCF of 38, 73, 347
• GCF of 15, 65, 344
• GCF of 17, 99, 533

1. What is the GCF of 28, 12, 705?

Answer: GCF of 28, 12, 705 is 1.

2. How to Find the GCF of 28, 12, 705

Answer: Greatest Common Factor(GCF) of 28, 12, 705 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 12, 705) = 1.