Greatest Common Factor of 855, 849, 421

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

• Greatest Common Factor of 855, 849, 421 by common division method
• Greatest Common Factor of 855, 849, 421 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 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Factors of 849

List of positive integer factors of 849 that divides 849 without a remainder.

1,3,283,849

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 855,849,421 . The biggest common factor number is the GCF number.
So the greatest common factor 855,849,421 is 1.

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

• GCF of 874, 293, 416
• GCF of 744, 875, 145
• GCF of 324, 154, 624
• GCF of 389, 176, 372
• GCF of 848, 552, 242

1. What is the GCF of 855, 849, 421?

Answer: GCF of 855, 849, 421 is 1.

2. How to Find the GCF of 855, 849, 421

Answer: Greatest Common Factor(GCF) of 855, 849, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(855, 849, 421) = 1.