Greatest Common Factor of 1, 11, 43, 45, 90

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

• Greatest Common Factor of 1, 11, 43, 45, 90 by common division method
• Greatest Common Factor of 1, 11, 43, 45, 90 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 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

Factors of 11

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

1,11

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 45

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

1,3,5,9,15,45

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 1,11,43,45,90 . The biggest common factor number is the GCF number.
So the greatest common factor 1,11,43,45,90 is 1.

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

• GCF of 6, 11, 42, 37, 22
• GCF of 5, 90, 84, 60, 56
• GCF of 7, 66, 47, 80, 72
• GCF of 9, 86, 18, 45, 44
• GCF of 6, 83, 61, 30, 59

1. What is the GCF of 1, 11, 43, 45, 90?

Answer: GCF of 1, 11, 43, 45, 90 is 1.

2. How to Find the GCF of 1, 11, 43, 45, 90

Answer: Greatest Common Factor(GCF) of 1, 11, 43, 45, 90 = 1

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

Step 2: Then multiply all the prime factors GCF(1, 11, 43, 45, 90) = 1.