Greatest Common Factor of 248, 448, 242, 689, 645

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

• Greatest Common Factor of 248, 448, 242, 689, 645 by common division method
• Greatest Common Factor of 248, 448, 242, 689, 645 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 248

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

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

Factors of 448

List of positive integer factors of 448 that divides 448 without a remainder.

1,2,4,7,8,14,16,28,32,56,64,112,224,448

Factors of 242

List of positive integer factors of 242 that divides 242 without a remainder.

1,2,11,22,121,242

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Factors of 645

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

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

Greatest Common Factor

We found the factors 248,448,242,689,645 . The biggest common factor number is the GCF number.
So the greatest common factor 248,448,242,689,645 is 1.

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

• GCF of 482, 178, 102, 723, 512
• GCF of 407, 582, 659, 651, 240
• GCF of 782, 894, 108, 627, 629
• GCF of 331, 909, 962, 964, 243
• GCF of 780, 366, 252, 962, 782

1. What is the GCF of 248, 448, 242, 689, 645?

Answer: GCF of 248, 448, 242, 689, 645 is 1.

2. How to Find the GCF of 248, 448, 242, 689, 645

Answer: Greatest Common Factor(GCF) of 248, 448, 242, 689, 645 = 1

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

Step 2: Then multiply all the prime factors GCF(248, 448, 242, 689, 645) = 1.