Greatest Common Factor of 945, 398, 77

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

• Greatest Common Factor of 945, 398, 77 by common division method
• Greatest Common Factor of 945, 398, 77 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 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Factors of 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Factors of 77

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

1,7,11,77

Greatest Common Factor

We found the factors 945,398,77 . The biggest common factor number is the GCF number.
So the greatest common factor 945,398,77 is 1.

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

• GCF of 977, 242, 25
• GCF of 575, 245, 47
• GCF of 699, 135, 32
• GCF of 606, 717, 52
• GCF of 711, 973, 15

1. What is the GCF of 945, 398, 77?

Answer: GCF of 945, 398, 77 is 1.

2. How to Find the GCF of 945, 398, 77

Answer: Greatest Common Factor(GCF) of 945, 398, 77 = 1

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

Step 2: Then multiply all the prime factors GCF(945, 398, 77) = 1.