Greatest Common Factor of 77, 661, 513

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

• Greatest Common Factor of 77, 661, 513 by common division method
• Greatest Common Factor of 77, 661, 513 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 77

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

1,7,11,77

Factors of 661

List of positive integer factors of 661 that divides 661 without a remainder.

1,661

Factors of 513

List of positive integer factors of 513 that divides 513 without a remainder.

1,3,9,19,27,57,171,513

Greatest Common Factor

We found the factors 77,661,513 . The biggest common factor number is the GCF number.
So the greatest common factor 77,661,513 is 1.

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

• GCF of 82, 392, 388
• GCF of 20, 395, 876
• GCF of 33, 537, 203
• GCF of 63, 710, 718
• GCF of 55, 901, 279

1. What is the GCF of 77, 661, 513?

Answer: GCF of 77, 661, 513 is 1.

2. How to Find the GCF of 77, 661, 513

Answer: Greatest Common Factor(GCF) of 77, 661, 513 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 661, 513) = 1.