Greatest Common Factor of 40, 55, 74, 945

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

• Greatest Common Factor of 40, 55, 74, 945 by common division method
• Greatest Common Factor of 40, 55, 74, 945 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 74

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

1,2,37,74

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 40,55,74,945 . The biggest common factor number is the GCF number.
So the greatest common factor 40,55,74,945 is 1.

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

• GCF of 12, 25, 59, 155
• GCF of 28, 75, 12, 104
• GCF of 39, 80, 42, 962
• GCF of 62, 36, 29, 807
• GCF of 30, 90, 75, 574

1. What is the GCF of 40, 55, 74, 945?

Answer: GCF of 40, 55, 74, 945 is 1.

2. How to Find the GCF of 40, 55, 74, 945

Answer: Greatest Common Factor(GCF) of 40, 55, 74, 945 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 55, 74, 945) = 1.