Greatest Common Factor of 45, 77, 42, 801

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

• Greatest Common Factor of 45, 77, 42, 801 by common division method
• Greatest Common Factor of 45, 77, 42, 801 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 77

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

1,7,11,77

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 801

List of positive integer factors of 801 that divides 801 without a remainder.

1,3,9,89,267,801

Greatest Common Factor

We found the factors 45,77,42,801 . The biggest common factor number is the GCF number.
So the greatest common factor 45,77,42,801 is 1.

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

• GCF of 86, 42, 77, 768
• GCF of 65, 92, 68, 627
• GCF of 84, 77, 97, 110
• GCF of 14, 96, 30, 713
• GCF of 18, 81, 22, 448

1. What is the GCF of 45, 77, 42, 801?

Answer: GCF of 45, 77, 42, 801 is 1.

2. How to Find the GCF of 45, 77, 42, 801

Answer: Greatest Common Factor(GCF) of 45, 77, 42, 801 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 77, 42, 801) = 1.