Greatest Common Factor of 138, 308, 855, 438, 307

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

• Greatest Common Factor of 138, 308, 855, 438, 307 by common division method
• Greatest Common Factor of 138, 308, 855, 438, 307 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 308

List of positive integer factors of 308 that divides 308 without a remainder.

1,2,4,7,11,14,22,28,44,77,154,308

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 307

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

1,307

Greatest Common Factor

We found the factors 138,308,855,438,307 . The biggest common factor number is the GCF number.
So the greatest common factor 138,308,855,438,307 is 1.

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

• GCF of 563, 901, 988, 215, 189
• GCF of 444, 707, 496, 846, 175
• GCF of 555, 743, 876, 949, 954
• GCF of 747, 413, 766, 526, 901
• GCF of 368, 825, 652, 837, 205

1. What is the GCF of 138, 308, 855, 438, 307?

Answer: GCF of 138, 308, 855, 438, 307 is 1.

2. How to Find the GCF of 138, 308, 855, 438, 307

Answer: Greatest Common Factor(GCF) of 138, 308, 855, 438, 307 = 1

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

Step 2: Then multiply all the prime factors GCF(138, 308, 855, 438, 307) = 1.