Greatest Common Factor of 123, 125, 670, 155, 920

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

• Greatest Common Factor of 123, 125, 670, 155, 920 by common division method
• Greatest Common Factor of 123, 125, 670, 155, 920 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 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Factors of 125

List of positive integer factors of 125 that divides 125 without a remainder.

1,5,25,125

Factors of 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

Factors of 155

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

1,5,31,155

Factors of 920

List of positive integer factors of 920 that divides 920 without a remainder.

1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920

Greatest Common Factor

We found the factors 123,125,670,155,920 . The biggest common factor number is the GCF number.
So the greatest common factor 123,125,670,155,920 is 1.

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

• GCF of 876, 686, 498, 759, 783
• GCF of 911, 751, 604, 264, 302
• GCF of 756, 488, 944, 461, 330
• GCF of 554, 265, 610, 831, 112
• GCF of 665, 258, 856, 658, 221

1. What is the GCF of 123, 125, 670, 155, 920?

Answer: GCF of 123, 125, 670, 155, 920 is 1.

2. How to Find the GCF of 123, 125, 670, 155, 920

Answer: Greatest Common Factor(GCF) of 123, 125, 670, 155, 920 = 1

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

Step 2: Then multiply all the prime factors GCF(123, 125, 670, 155, 920) = 1.