Greatest Common Factor of 245, 437, 860, 21

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

• Greatest Common Factor of 245, 437, 860, 21 by common division method
• Greatest Common Factor of 245, 437, 860, 21 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 245

List of positive integer factors of 245 that divides 245 without a remainder.

1,5,7,35,49,245

Factors of 437

List of positive integer factors of 437 that divides 437 without a remainder.

1,19,23,437

Factors of 860

List of positive integer factors of 860 that divides 860 without a remainder.

1,2,4,5,10,20,43,86,172,215,430,860

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 245,437,860,21 . The biggest common factor number is the GCF number.
So the greatest common factor 245,437,860,21 is 1.

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

• GCF of 797, 392, 102, 94
• GCF of 535, 717, 728, 75
• GCF of 463, 507, 875, 40
• GCF of 471, 248, 284, 48
• GCF of 970, 507, 506, 76

1. What is the GCF of 245, 437, 860, 21?

Answer: GCF of 245, 437, 860, 21 is 1.

2. How to Find the GCF of 245, 437, 860, 21

Answer: Greatest Common Factor(GCF) of 245, 437, 860, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(245, 437, 860, 21) = 1.