Greatest Common Factor of 51, 21, 429, 561

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

• Greatest Common Factor of 51, 21, 429, 561 by common division method
• Greatest Common Factor of 51, 21, 429, 561 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 21

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

1,3,7,21

Factors of 429

List of positive integer factors of 429 that divides 429 without a remainder.

1,3,11,13,33,39,143,429

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Greatest Common Factor

We found the factors 51,21,429,561 . The biggest common factor number is the GCF number.
So the greatest common factor 51,21,429,561 is 3.

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

• GCF of 90, 62, 688, 617
• GCF of 55, 69, 553, 775
• GCF of 85, 90, 698, 613
• GCF of 36, 55, 971, 414
• GCF of 98, 48, 585, 817

1. What is the GCF of 51, 21, 429, 561?

Answer: GCF of 51, 21, 429, 561 is 3.

2. How to Find the GCF of 51, 21, 429, 561

Answer: Greatest Common Factor(GCF) of 51, 21, 429, 561 = 3

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

Step 2: Then multiply all the prime factors GCF(51, 21, 429, 561) = 3.