Greatest Common Factor of 43, 72, 61, 90

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

• Greatest Common Factor of 43, 72, 61, 90 by common division method
• Greatest Common Factor of 43, 72, 61, 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 43

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

1,43

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

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 43,72,61,90 . The biggest common factor number is the GCF number.
So the greatest common factor 43,72,61,90 is 1.

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

• GCF of 62, 74, 34, 38
• GCF of 29, 63, 85, 42
• GCF of 78, 60, 66, 92
• GCF of 30, 18, 20, 86
• GCF of 24, 53, 30, 50

1. What is the GCF of 43, 72, 61, 90?

Answer: GCF of 43, 72, 61, 90 is 1.

2. How to Find the GCF of 43, 72, 61, 90

Answer: Greatest Common Factor(GCF) of 43, 72, 61, 90 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 72, 61, 90) = 1.