Greatest Common Factor of 42, 33, 40, 280

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

• Greatest Common Factor of 42, 33, 40, 280 by common division method
• Greatest Common Factor of 42, 33, 40, 280 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 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

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 280

List of positive integer factors of 280 that divides 280 without a remainder.

1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280

Greatest Common Factor

We found the factors 42,33,40,280 . The biggest common factor number is the GCF number.
So the greatest common factor 42,33,40,280 is 1.

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

• GCF of 38, 28, 19, 216
• GCF of 41, 74, 19, 627
• GCF of 22, 86, 62, 890
• GCF of 18, 59, 27, 331
• GCF of 73, 97, 71, 895

1. What is the GCF of 42, 33, 40, 280?

Answer: GCF of 42, 33, 40, 280 is 1.

2. How to Find the GCF of 42, 33, 40, 280

Answer: Greatest Common Factor(GCF) of 42, 33, 40, 280 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 33, 40, 280) = 1.