Greatest Common Factor of 645, 542, 155

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

• Greatest Common Factor of 645, 542, 155 by common division method
• Greatest Common Factor of 645, 542, 155 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 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 542

List of positive integer factors of 542 that divides 542 without a remainder.

1,2,271,542

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Greatest Common Factor

We found the factors 645,542,155 . The biggest common factor number is the GCF number.
So the greatest common factor 645,542,155 is 1.

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

• GCF of 872, 899, 602
• GCF of 796, 512, 763
• GCF of 930, 603, 881
• GCF of 841, 397, 181
• GCF of 829, 899, 959

1. What is the GCF of 645, 542, 155?

Answer: GCF of 645, 542, 155 is 1.

2. How to Find the GCF of 645, 542, 155

Answer: Greatest Common Factor(GCF) of 645, 542, 155 = 1

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

Step 2: Then multiply all the prime factors GCF(645, 542, 155) = 1.