Greatest Common Factor of 642, 193, 72

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

• Greatest Common Factor of 642, 193, 72 by common division method
• Greatest Common Factor of 642, 193, 72 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 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 193

List of positive integer factors of 193 that divides 193 without a remainder.

1,193

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

Greatest Common Factor

We found the factors 642,193,72 . The biggest common factor number is the GCF number.
So the greatest common factor 642,193,72 is 1.

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

• GCF of 746, 242, 93
• GCF of 608, 470, 12
• GCF of 649, 575, 73
• GCF of 670, 305, 71
• GCF of 969, 375, 17

1. What is the GCF of 642, 193, 72?

Answer: GCF of 642, 193, 72 is 1.

2. How to Find the GCF of 642, 193, 72

Answer: Greatest Common Factor(GCF) of 642, 193, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 193, 72) = 1.