Greatest Common Factor of 33, 45, 20, 661

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

• Greatest Common Factor of 33, 45, 20, 661 by common division method
• Greatest Common Factor of 33, 45, 20, 661 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 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Factors of 45

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

1,3,5,9,15,45

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 661

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

1,661

Greatest Common Factor

We found the factors 33,45,20,661 . The biggest common factor number is the GCF number.
So the greatest common factor 33,45,20,661 is 1.

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

• GCF of 42, 14, 37, 721
• GCF of 45, 41, 75, 366
• GCF of 16, 97, 75, 239
• GCF of 71, 36, 55, 461
• GCF of 40, 71, 76, 532

1. What is the GCF of 33, 45, 20, 661?

Answer: GCF of 33, 45, 20, 661 is 1.

2. How to Find the GCF of 33, 45, 20, 661

Answer: Greatest Common Factor(GCF) of 33, 45, 20, 661 = 1

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

Step 2: Then multiply all the prime factors GCF(33, 45, 20, 661) = 1.