Greatest Common Factor of 10, 77, 63, 855

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

• Greatest Common Factor of 10, 77, 63, 855 by common division method
• Greatest Common Factor of 10, 77, 63, 855 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

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

Greatest Common Factor

We found the factors 10,77,63,855 . The biggest common factor number is the GCF number.
So the greatest common factor 10,77,63,855 is 1.

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

• GCF of 25, 85, 54, 502
• GCF of 84, 33, 36, 450
• GCF of 85, 90, 61, 976
• GCF of 49, 42, 96, 553
• GCF of 89, 36, 79, 609

1. What is the GCF of 10, 77, 63, 855?

Answer: GCF of 10, 77, 63, 855 is 1.

2. How to Find the GCF of 10, 77, 63, 855

Answer: Greatest Common Factor(GCF) of 10, 77, 63, 855 = 1

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

Step 2: Then multiply all the prime factors GCF(10, 77, 63, 855) = 1.