Greatest Common Factor of 272, 245, 689, 45

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

• Greatest Common Factor of 272, 245, 689, 45 by common division method
• Greatest Common Factor of 272, 245, 689, 45 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 272

List of positive integer factors of 272 that divides 272 without a remainder.

1,2,4,8,16,17,34,68,136,272

Factors of 245

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

1,5,7,35,49,245

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Greatest Common Factor

We found the factors 272,245,689,45 . The biggest common factor number is the GCF number.
So the greatest common factor 272,245,689,45 is 1.

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

• GCF of 561, 672, 773, 58
• GCF of 521, 707, 759, 41
• GCF of 323, 625, 905, 53
• GCF of 412, 941, 375, 69
• GCF of 363, 135, 720, 21

1. What is the GCF of 272, 245, 689, 45?

Answer: GCF of 272, 245, 689, 45 is 1.

2. How to Find the GCF of 272, 245, 689, 45

Answer: Greatest Common Factor(GCF) of 272, 245, 689, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(272, 245, 689, 45) = 1.