Greatest Common Factor of 67, 45, 21, 693

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

• Greatest Common Factor of 67, 45, 21, 693 by common division method
• Greatest Common Factor of 67, 45, 21, 693 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 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 21

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

1,3,7,21

Factors of 693

List of positive integer factors of 693 that divides 693 without a remainder.

1,3,7,9,11,21,33,63,77,99,231,693

Greatest Common Factor

We found the factors 67,45,21,693 . The biggest common factor number is the GCF number.
So the greatest common factor 67,45,21,693 is 1.

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

• GCF of 57, 78, 62, 276
• GCF of 45, 99, 26, 410
• GCF of 34, 53, 22, 244
• GCF of 31, 56, 41, 712
• GCF of 61, 33, 58, 436

1. What is the GCF of 67, 45, 21, 693?

Answer: GCF of 67, 45, 21, 693 is 1.

2. How to Find the GCF of 67, 45, 21, 693

Answer: Greatest Common Factor(GCF) of 67, 45, 21, 693 = 1

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

Step 2: Then multiply all the prime factors GCF(67, 45, 21, 693) = 1.