Greatest Common Factor of 40, 77, 34, 389

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

• Greatest Common Factor of 40, 77, 34, 389 by common division method
• Greatest Common Factor of 40, 77, 34, 389 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Greatest Common Factor

We found the factors 40,77,34,389 . The biggest common factor number is the GCF number.
So the greatest common factor 40,77,34,389 is 1.

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

• GCF of 45, 13, 81, 128
• GCF of 37, 76, 97, 890
• GCF of 18, 66, 94, 577
• GCF of 33, 33, 54, 519
• GCF of 17, 69, 79, 556

1. What is the GCF of 40, 77, 34, 389?

Answer: GCF of 40, 77, 34, 389 is 1.

2. How to Find the GCF of 40, 77, 34, 389

Answer: Greatest Common Factor(GCF) of 40, 77, 34, 389 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 77, 34, 389) = 1.