Greatest Common Factor of 152, 506, 21

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

• Greatest Common Factor of 152, 506, 21 by common division method
• Greatest Common Factor of 152, 506, 21 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 152

List of positive integer factors of 152 that divides 152 without a remainder.

1,2,4,8,19,38,76,152

Factors of 506

List of positive integer factors of 506 that divides 506 without a remainder.

1,2,11,22,23,46,253,506

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 152,506,21 . The biggest common factor number is the GCF number.
So the greatest common factor 152,506,21 is 1.

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

• GCF of 511, 108, 13
• GCF of 402, 274, 49
• GCF of 144, 473, 29
• GCF of 939, 852, 16
• GCF of 942, 723, 90

1. What is the GCF of 152, 506, 21?

Answer: GCF of 152, 506, 21 is 1.

2. How to Find the GCF of 152, 506, 21

Answer: Greatest Common Factor(GCF) of 152, 506, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(152, 506, 21) = 1.