Greatest Common Factor of 75, 21, 749

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

• Greatest Common Factor of 75, 21, 749 by common division method
• Greatest Common Factor of 75, 21, 749 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 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 21

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

1,3,7,21

Factors of 749

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

1,7,107,749

Greatest Common Factor

We found the factors 75,21,749 . The biggest common factor number is the GCF number.
So the greatest common factor 75,21,749 is 1.

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

• GCF of 89, 47, 800
• GCF of 31, 58, 478
• GCF of 50, 18, 869
• GCF of 27, 21, 637
• GCF of 74, 21, 257

1. What is the GCF of 75, 21, 749?

Answer: GCF of 75, 21, 749 is 1.

2. How to Find the GCF of 75, 21, 749

Answer: Greatest Common Factor(GCF) of 75, 21, 749 = 1

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

Step 2: Then multiply all the prime factors GCF(75, 21, 749) = 1.