Greatest Common Factor of 42, 28, 73, 248

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

• Greatest Common Factor of 42, 28, 73, 248 by common division method
• Greatest Common Factor of 42, 28, 73, 248 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 248

List of positive integer factors of 248 that divides 248 without a remainder.

1,2,4,8,31,62,124,248

Greatest Common Factor

We found the factors 42,28,73,248 . The biggest common factor number is the GCF number.
So the greatest common factor 42,28,73,248 is 1.

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

• GCF of 84, 78, 15, 606
• GCF of 63, 16, 21, 762
• GCF of 22, 43, 79, 684
• GCF of 77, 53, 59, 687
• GCF of 69, 77, 30, 624

1. What is the GCF of 42, 28, 73, 248?

Answer: GCF of 42, 28, 73, 248 is 1.

2. How to Find the GCF of 42, 28, 73, 248

Answer: Greatest Common Factor(GCF) of 42, 28, 73, 248 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 28, 73, 248) = 1.