Greatest Common Factor of 686, 128, 145

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

• Greatest Common Factor of 686, 128, 145 by common division method
• Greatest Common Factor of 686, 128, 145 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 686

List of positive integer factors of 686 that divides 686 without a remainder.

1,2,7,14,49,98,343,686

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Factors of 145

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

1,5,29,145

Greatest Common Factor

We found the factors 686,128,145 . The biggest common factor number is the GCF number.
So the greatest common factor 686,128,145 is 1.

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

• GCF of 635, 792, 875
• GCF of 326, 528, 400
• GCF of 988, 253, 800
• GCF of 705, 876, 353
• GCF of 505, 390, 126

1. What is the GCF of 686, 128, 145?

Answer: GCF of 686, 128, 145 is 1.

2. How to Find the GCF of 686, 128, 145

Answer: Greatest Common Factor(GCF) of 686, 128, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(686, 128, 145) = 1.