Greatest Common Factor of 42, 72, 76, 78, 441

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

• Greatest Common Factor of 42, 72, 76, 78, 441 by common division method
• Greatest Common Factor of 42, 72, 76, 78, 441 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 76

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

1,2,4,19,38,76

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 441

List of positive integer factors of 441 that divides 441 without a remainder.

1,3,7,9,21,49,63,147,441

Greatest Common Factor

We found the factors 42,72,76,78,441 . The biggest common factor number is the GCF number.
So the greatest common factor 42,72,76,78,441 is 1.

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

• GCF of 58, 68, 67, 25, 974
• GCF of 55, 46, 81, 28, 223
• GCF of 46, 79, 52, 80, 725
• GCF of 41, 98, 52, 10, 116
• GCF of 44, 14, 64, 52, 922

1. What is the GCF of 42, 72, 76, 78, 441?

Answer: GCF of 42, 72, 76, 78, 441 is 1.

2. How to Find the GCF of 42, 72, 76, 78, 441

Answer: Greatest Common Factor(GCF) of 42, 72, 76, 78, 441 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 72, 76, 78, 441) = 1.