Greatest Common Factor of 420, 357, 3021, 249

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

• Greatest Common Factor of 420, 357, 3021, 249 by common division method
• Greatest Common Factor of 420, 357, 3021, 249 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 357

List of positive integer factors of 357 that divides 357 without a remainder.

1,3,7,17,21,51,119,357

Factors of 3021

List of positive integer factors of 3021 that divides 3021 without a remainder.

1,3,19,53,57,159,1007,3021

Factors of 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Greatest Common Factor

We found the factors 420,357,3021,249 . The biggest common factor number is the GCF number.
So the greatest common factor 420,357,3021,249 is 3.

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

• GCF of 510, 518, 1725, 956
• GCF of 170, 921, 7781, 628
• GCF of 706, 763, 5642, 651
• GCF of 860, 224, 4932, 808
• GCF of 726, 426, 6361, 266

1. What is the GCF of 420, 357, 3021, 249?

Answer: GCF of 420, 357, 3021, 249 is 3.

2. How to Find the GCF of 420, 357, 3021, 249

Answer: Greatest Common Factor(GCF) of 420, 357, 3021, 249 = 3

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

Step 2: Then multiply all the prime factors GCF(420, 357, 3021, 249) = 3.