Greatest Common Factor of 278, 42, 645, 267

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

• Greatest Common Factor of 278, 42, 645, 267 by common division method
• Greatest Common Factor of 278, 42, 645, 267 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 278

List of positive integer factors of 278 that divides 278 without a remainder.

1,2,139,278

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 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 267

List of positive integer factors of 267 that divides 267 without a remainder.

1,3,89,267

Greatest Common Factor

We found the factors 278,42,645,267 . The biggest common factor number is the GCF number.
So the greatest common factor 278,42,645,267 is 1.

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

• GCF of 421, 30, 156, 139
• GCF of 846, 34, 162, 770
• GCF of 300, 99, 407, 187
• GCF of 256, 14, 324, 359
• GCF of 808, 71, 945, 793

1. What is the GCF of 278, 42, 645, 267?

Answer: GCF of 278, 42, 645, 267 is 1.

2. How to Find the GCF of 278, 42, 645, 267

Answer: Greatest Common Factor(GCF) of 278, 42, 645, 267 = 1

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

Step 2: Then multiply all the prime factors GCF(278, 42, 645, 267) = 1.