Greatest Common Factor of 17, 68, 40, 58, 649

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

• Greatest Common Factor of 17, 68, 40, 58, 649 by common division method
• Greatest Common Factor of 17, 68, 40, 58, 649 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Factors of 649

List of positive integer factors of 649 that divides 649 without a remainder.

1,11,59,649

Greatest Common Factor

We found the factors 17,68,40,58,649 . The biggest common factor number is the GCF number.
So the greatest common factor 17,68,40,58,649 is 1.

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

• GCF of 24, 27, 72, 33, 447
• GCF of 11, 71, 16, 33, 382
• GCF of 32, 74, 11, 29, 976
• GCF of 99, 34, 53, 74, 673
• GCF of 65, 42, 70, 21, 328

1. What is the GCF of 17, 68, 40, 58, 649?

Answer: GCF of 17, 68, 40, 58, 649 is 1.

2. How to Find the GCF of 17, 68, 40, 58, 649

Answer: Greatest Common Factor(GCF) of 17, 68, 40, 58, 649 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 68, 40, 58, 649) = 1.