Greatest Common Factor of 20, 172, 749

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

• Greatest Common Factor of 20, 172, 749 by common division method
• Greatest Common Factor of 20, 172, 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

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 20,172,749 . The biggest common factor number is the GCF number.
So the greatest common factor 20,172,749 is 1.

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

• GCF of 66, 190, 353
• GCF of 88, 183, 688
• GCF of 12, 357, 455
• GCF of 45, 488, 947
• GCF of 33, 418, 251

1. What is the GCF of 20, 172, 749?

Answer: GCF of 20, 172, 749 is 1.

2. How to Find the GCF of 20, 172, 749

Answer: Greatest Common Factor(GCF) of 20, 172, 749 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 172, 749) = 1.