Greatest Common Factor of 21, 510, 157

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

• Greatest Common Factor of 21, 510, 157 by common division method
• Greatest Common Factor of 21, 510, 157 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 21

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

1,3,7,21

Factors of 510

List of positive integer factors of 510 that divides 510 without a remainder.

1,2,3,5,6,10,15,17,30,34,51,85,102,170,255,510

Factors of 157

List of positive integer factors of 157 that divides 157 without a remainder.

1,157

Greatest Common Factor

We found the factors 21,510,157 . The biggest common factor number is the GCF number.
So the greatest common factor 21,510,157 is 1.

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

• GCF of 62, 607, 323
• GCF of 12, 845, 863
• GCF of 51, 738, 321
• GCF of 52, 206, 893
• GCF of 94, 412, 161

1. What is the GCF of 21, 510, 157?

Answer: GCF of 21, 510, 157 is 1.

2. How to Find the GCF of 21, 510, 157

Answer: Greatest Common Factor(GCF) of 21, 510, 157 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 510, 157) = 1.