Greatest Common Factor of 11, 21, 75, 785

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

• Greatest Common Factor of 11, 21, 75, 785 by common division method
• Greatest Common Factor of 11, 21, 75, 785 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 785

List of positive integer factors of 785 that divides 785 without a remainder.

1,5,157,785

Greatest Common Factor

We found the factors 11,21,75,785 . The biggest common factor number is the GCF number.
So the greatest common factor 11,21,75,785 is 1.

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

• GCF of 84, 48, 70, 346
• GCF of 91, 65, 66, 788
• GCF of 16, 77, 69, 943
• GCF of 52, 71, 37, 741
• GCF of 62, 49, 48, 442

1. What is the GCF of 11, 21, 75, 785?

Answer: GCF of 11, 21, 75, 785 is 1.

2. How to Find the GCF of 11, 21, 75, 785

Answer: Greatest Common Factor(GCF) of 11, 21, 75, 785 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 21, 75, 785) = 1.