Greatest Common Factor of 30, 77, 495

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

• Greatest Common Factor of 30, 77, 495 by common division method
• Greatest Common Factor of 30, 77, 495 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 77

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

1,7,11,77

Factors of 495

List of positive integer factors of 495 that divides 495 without a remainder.

1,3,5,9,11,15,33,45,55,99,165,495

Greatest Common Factor

We found the factors 30,77,495 . The biggest common factor number is the GCF number.
So the greatest common factor 30,77,495 is 1.

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

• GCF of 77, 20, 620
• GCF of 35, 42, 586
• GCF of 40, 99, 675
• GCF of 48, 36, 281
• GCF of 10, 10, 522

1. What is the GCF of 30, 77, 495?

Answer: GCF of 30, 77, 495 is 1.

2. How to Find the GCF of 30, 77, 495

Answer: Greatest Common Factor(GCF) of 30, 77, 495 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 77, 495) = 1.