Greatest Common Factor of 87, 245, 138

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

• Greatest Common Factor of 87, 245, 138 by common division method
• Greatest Common Factor of 87, 245, 138 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 245

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

1,5,7,35,49,245

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 87,245,138 . The biggest common factor number is the GCF number.
So the greatest common factor 87,245,138 is 1.

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

• GCF of 12, 404, 249
• GCF of 65, 471, 779
• GCF of 46, 323, 451
• GCF of 57, 477, 301
• GCF of 99, 537, 365

1. What is the GCF of 87, 245, 138?

Answer: GCF of 87, 245, 138 is 1.

2. How to Find the GCF of 87, 245, 138

Answer: Greatest Common Factor(GCF) of 87, 245, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 245, 138) = 1.