Greatest Common Factor of 168, 749, 20

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

• Greatest Common Factor of 168, 749, 20 by common division method
• Greatest Common Factor of 168, 749, 20 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 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

Factors of 749

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

1,7,107,749

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 168,749,20 . The biggest common factor number is the GCF number.
So the greatest common factor 168,749,20 is 1.

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

• GCF of 958, 852, 71
• GCF of 665, 223, 85
• GCF of 684, 363, 91
• GCF of 661, 976, 78
• GCF of 308, 920, 33

1. What is the GCF of 168, 749, 20?

Answer: GCF of 168, 749, 20 is 1.

2. How to Find the GCF of 168, 749, 20

Answer: Greatest Common Factor(GCF) of 168, 749, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(168, 749, 20) = 1.