Greatest Common Factor of 61, 45, 105

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

• Greatest Common Factor of 61, 45, 105 by common division method
• Greatest Common Factor of 61, 45, 105 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 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 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Greatest Common Factor

We found the factors 61,45,105 . The biggest common factor number is the GCF number.
So the greatest common factor 61,45,105 is 1.

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

• GCF of 84, 33, 729
• GCF of 68, 35, 256
• GCF of 13, 37, 712
• GCF of 63, 11, 303
• GCF of 48, 55, 793

1. What is the GCF of 61, 45, 105?

Answer: GCF of 61, 45, 105 is 1.

2. How to Find the GCF of 61, 45, 105

Answer: Greatest Common Factor(GCF) of 61, 45, 105 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 45, 105) = 1.