Greatest Common Factor of 28, 46, 139, 245

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

• Greatest Common Factor of 28, 46, 139, 245 by common division method
• Greatest Common Factor of 28, 46, 139, 245 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 28

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

1,2,4,7,14,28

Factors of 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Factors of 245

List of positive integer factors of 245 that divides 245 without a remainder.

1,5,7,35,49,245

Greatest Common Factor

We found the factors 28,46,139,245 . The biggest common factor number is the GCF number.
So the greatest common factor 28,46,139,245 is 1.

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

• GCF of 82, 41, 899, 209
• GCF of 32, 29, 673, 125
• GCF of 93, 48, 318, 180
• GCF of 38, 33, 719, 668
• GCF of 46, 25, 635, 978

1. What is the GCF of 28, 46, 139, 245?

Answer: GCF of 28, 46, 139, 245 is 1.

2. How to Find the GCF of 28, 46, 139, 245

Answer: Greatest Common Factor(GCF) of 28, 46, 139, 245 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 46, 139, 245) = 1.