Greatest Common Factor of 42, 45, 40, 112

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

• Greatest Common Factor of 42, 45, 40, 112 by common division method
• Greatest Common Factor of 42, 45, 40, 112 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 45

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

1,3,5,9,15,45

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 112

List of positive integer factors of 112 that divides 112 without a remainder.

1,2,4,7,8,14,16,28,56,112

Greatest Common Factor

We found the factors 42,45,40,112 . The biggest common factor number is the GCF number.
So the greatest common factor 42,45,40,112 is 1.

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

• GCF of 79, 30, 84, 256
• GCF of 54, 30, 25, 421
• GCF of 42, 70, 66, 439
• GCF of 51, 23, 12, 231
• GCF of 36, 65, 82, 694

1. What is the GCF of 42, 45, 40, 112?

Answer: GCF of 42, 45, 40, 112 is 1.

2. How to Find the GCF of 42, 45, 40, 112

Answer: Greatest Common Factor(GCF) of 42, 45, 40, 112 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 45, 40, 112) = 1.