Greatest Common Factor of 21, 14, 287

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

• Greatest Common Factor of 21, 14, 287 by common division method
• Greatest Common Factor of 21, 14, 287 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 21

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

1,3,7,21

Factors of 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 287

List of positive integer factors of 287 that divides 287 without a remainder.

1,7,41,287

Greatest Common Factor

We found the factors 21,14,287 . The biggest common factor number is the GCF number.
So the greatest common factor 21,14,287 is 7.

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

• GCF of 97, 55, 236
• GCF of 45, 61, 487
• GCF of 60, 34, 275
• GCF of 48, 79, 947
• GCF of 33, 53, 734

1. What is the GCF of 21, 14, 287?

Answer: GCF of 21, 14, 287 is 7.

2. How to Find the GCF of 21, 14, 287

Answer: Greatest Common Factor(GCF) of 21, 14, 287 = 7

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

Step 2: Then multiply all the prime factors GCF(21, 14, 287) = 7.