Greatest Common Factor of 74, 42, 49, 660

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

• Greatest Common Factor of 74, 42, 49, 660 by common division method
• Greatest Common Factor of 74, 42, 49, 660 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Greatest Common Factor

We found the factors 74,42,49,660 . The biggest common factor number is the GCF number.
So the greatest common factor 74,42,49,660 is 1.

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

• GCF of 59, 97, 50, 791
• GCF of 71, 78, 34, 441
• GCF of 61, 58, 27, 761
• GCF of 17, 25, 32, 746
• GCF of 44, 79, 93, 150

1. What is the GCF of 74, 42, 49, 660?

Answer: GCF of 74, 42, 49, 660 is 1.

2. How to Find the GCF of 74, 42, 49, 660

Answer: Greatest Common Factor(GCF) of 74, 42, 49, 660 = 1

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

Step 2: Then multiply all the prime factors GCF(74, 42, 49, 660) = 1.