Greatest Common Factor of 21, 248, 651

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

• Greatest Common Factor of 21, 248, 651 by common division method
• Greatest Common Factor of 21, 248, 651 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 248

List of positive integer factors of 248 that divides 248 without a remainder.

1,2,4,8,31,62,124,248

Factors of 651

List of positive integer factors of 651 that divides 651 without a remainder.

1,3,7,21,31,93,217,651

Greatest Common Factor

We found the factors 21,248,651 . The biggest common factor number is the GCF number.
So the greatest common factor 21,248,651 is 1.

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

• GCF of 89, 439, 961
• GCF of 60, 503, 723
• GCF of 28, 366, 452
• GCF of 10, 879, 863
• GCF of 71, 833, 611

1. What is the GCF of 21, 248, 651?

Answer: GCF of 21, 248, 651 is 1.

2. How to Find the GCF of 21, 248, 651

Answer: Greatest Common Factor(GCF) of 21, 248, 651 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 248, 651) = 1.