Greatest Common Factor of 90, 61, 45, 68, 51

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

• Greatest Common Factor of 90, 61, 45, 68, 51 by common division method
• Greatest Common Factor of 90, 61, 45, 68, 51 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

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

Factors of 61

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

1,61

Factors of 45

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

1,3,5,9,15,45

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 90,61,45,68,51 . The biggest common factor number is the GCF number.
So the greatest common factor 90,61,45,68,51 is 1.

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

• GCF of 54, 31, 40, 73, 18
• GCF of 96, 82, 18, 15, 33
• GCF of 13, 18, 12, 30, 17
• GCF of 77, 94, 19, 69, 83
• GCF of 85, 80, 14, 43, 32

1. What is the GCF of 90, 61, 45, 68, 51?

Answer: GCF of 90, 61, 45, 68, 51 is 1.

2. How to Find the GCF of 90, 61, 45, 68, 51

Answer: Greatest Common Factor(GCF) of 90, 61, 45, 68, 51 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 61, 45, 68, 51) = 1.