Greatest Common Factor of 70, 21, 749

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

• Greatest Common Factor of 70, 21, 749 by common division method
• Greatest Common Factor of 70, 21, 749 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

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 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 70,21,749 . The biggest common factor number is the GCF number.
So the greatest common factor 70,21,749 is 7.

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

• GCF of 53, 42, 736
• GCF of 66, 74, 342
• GCF of 55, 78, 431
• GCF of 71, 55, 185
• GCF of 94, 89, 246

1. What is the GCF of 70, 21, 749?

Answer: GCF of 70, 21, 749 is 7.

2. How to Find the GCF of 70, 21, 749

Answer: Greatest Common Factor(GCF) of 70, 21, 749 = 7

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

Step 2: Then multiply all the prime factors GCF(70, 21, 749) = 7.