Greatest Common Factor of 689, 1380

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

• Greatest Common Factor of 689, 1380 by common division method
• Greatest Common Factor of 689, 1380 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 689

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

1,13,53,689

Factors of 1380

List of positive integer factors of 1380 that divides 1380 without a remainder.

1,2,3,4,5,6,10,12,15,20,23,30,46,60,69,92,115,138,230,276,345,460,690,1380

Greatest Common Factor

We found the factors 689,1380 . The biggest common factor number is the GCF number.
So the greatest common factor 689,1380 is 1.

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

• GCF of 551, 4127
• GCF of 433, 9629
• GCF of 838, 8663
• GCF of 791, 6112
• GCF of 969, 1974

1. What is the GCF of 689, 1380?

Answer: GCF of 689, 1380 is 1.

2. How to Find the GCF of 689, 1380

Answer: Greatest Common Factor(GCF) of 689, 1380 = 1

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

Step 2: Then multiply all the prime factors GCF(689, 1380) = 1.