Greatest Common Factor of 749, 395, 21

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

• Greatest Common Factor of 749, 395, 21 by common division method
• Greatest Common Factor of 749, 395, 21 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 749

List of positive integer factors of 749 that divides 749 without a remainder.

1,7,107,749

Factors of 395

List of positive integer factors of 395 that divides 395 without a remainder.

1,5,79,395

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 749,395,21 . The biggest common factor number is the GCF number.
So the greatest common factor 749,395,21 is 1.

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

• GCF of 186, 635, 49
• GCF of 995, 270, 52
• GCF of 387, 580, 89
• GCF of 384, 127, 13
• GCF of 732, 429, 65

1. What is the GCF of 749, 395, 21?

Answer: GCF of 749, 395, 21 is 1.

2. How to Find the GCF of 749, 395, 21

Answer: Greatest Common Factor(GCF) of 749, 395, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(749, 395, 21) = 1.