Greatest Common Factor of 385, 122, 728, 855, 646

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

• Greatest Common Factor of 385, 122, 728, 855, 646 by common division method
• Greatest Common Factor of 385, 122, 728, 855, 646 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 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Factors of 122

List of positive integer factors of 122 that divides 122 without a remainder.

1,2,61,122

Factors of 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

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 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 385,122,728,855,646 . The biggest common factor number is the GCF number.
So the greatest common factor 385,122,728,855,646 is 1.

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

• GCF of 129, 384, 927, 472, 267
• GCF of 952, 119, 554, 124, 641
• GCF of 459, 167, 687, 372, 255
• GCF of 269, 687, 286, 734, 300
• GCF of 540, 305, 991, 291, 908

1. What is the GCF of 385, 122, 728, 855, 646?

Answer: GCF of 385, 122, 728, 855, 646 is 1.

2. How to Find the GCF of 385, 122, 728, 855, 646

Answer: Greatest Common Factor(GCF) of 385, 122, 728, 855, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(385, 122, 728, 855, 646) = 1.