Greatest Common Factor of 42, 76, 51, 495

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

• Greatest Common Factor of 42, 76, 51, 495 by common division method
• Greatest Common Factor of 42, 76, 51, 495 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 42

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

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

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 495

List of positive integer factors of 495 that divides 495 without a remainder.

1,3,5,9,11,15,33,45,55,99,165,495

Greatest Common Factor

We found the factors 42,76,51,495 . The biggest common factor number is the GCF number.
So the greatest common factor 42,76,51,495 is 1.

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

• GCF of 39, 57, 88, 334
• GCF of 68, 29, 37, 900
• GCF of 78, 90, 25, 840
• GCF of 61, 61, 41, 899
• GCF of 87, 70, 13, 151

1. What is the GCF of 42, 76, 51, 495?

Answer: GCF of 42, 76, 51, 495 is 1.

2. How to Find the GCF of 42, 76, 51, 495

Answer: Greatest Common Factor(GCF) of 42, 76, 51, 495 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 76, 51, 495) = 1.