Greatest Common Factor of 138, 987, 307, 145, 245

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

• Greatest Common Factor of 138, 987, 307, 145, 245 by common division method
• Greatest Common Factor of 138, 987, 307, 145, 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 138

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

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

Factors of 987

List of positive integer factors of 987 that divides 987 without a remainder.

1,3,7,21,47,141,329,987

Factors of 307

List of positive integer factors of 307 that divides 307 without a remainder.

1,307

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

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 138,987,307,145,245 . The biggest common factor number is the GCF number.
So the greatest common factor 138,987,307,145,245 is 1.

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

• GCF of 809, 449, 504, 270, 890
• GCF of 195, 415, 287, 619, 872
• GCF of 272, 743, 408, 791, 250
• GCF of 981, 156, 723, 487, 566
• GCF of 340, 941, 281, 397, 795

1. What is the GCF of 138, 987, 307, 145, 245?

Answer: GCF of 138, 987, 307, 145, 245 is 1.

2. How to Find the GCF of 138, 987, 307, 145, 245

Answer: Greatest Common Factor(GCF) of 138, 987, 307, 145, 245 = 1

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

Step 2: Then multiply all the prime factors GCF(138, 987, 307, 145, 245) = 1.