Greatest Common Factor of 420, 845, 985

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

• Greatest Common Factor of 420, 845, 985 by common division method
• Greatest Common Factor of 420, 845, 985 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

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 845

List of positive integer factors of 845 that divides 845 without a remainder.

1,5,13,65,169,845

Factors of 985

List of positive integer factors of 985 that divides 985 without a remainder.

1,5,197,985

Greatest Common Factor

We found the factors 420,845,985 . The biggest common factor number is the GCF number.
So the greatest common factor 420,845,985 is 5.

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

• GCF of 235, 479, 390
• GCF of 595, 659, 136
• GCF of 726, 258, 797
• GCF of 856, 378, 348
• GCF of 355, 827, 665

1. What is the GCF of 420, 845, 985?

Answer: GCF of 420, 845, 985 is 5.

2. How to Find the GCF of 420, 845, 985

Answer: Greatest Common Factor(GCF) of 420, 845, 985 = 5

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

Step 2: Then multiply all the prime factors GCF(420, 845, 985) = 5.