Greatest Common Factor of 398, 653, 989, 423

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

• Greatest Common Factor of 398, 653, 989, 423 by common division method
• Greatest Common Factor of 398, 653, 989, 423 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 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Factors of 653

List of positive integer factors of 653 that divides 653 without a remainder.

1,653

Factors of 989

List of positive integer factors of 989 that divides 989 without a remainder.

1,23,43,989

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 398,653,989,423 . The biggest common factor number is the GCF number.
So the greatest common factor 398,653,989,423 is 1.

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

• GCF of 487, 643, 936, 998
• GCF of 140, 901, 503, 441
• GCF of 560, 252, 226, 544
• GCF of 980, 485, 909, 168
• GCF of 705, 233, 931, 736

1. What is the GCF of 398, 653, 989, 423?

Answer: GCF of 398, 653, 989, 423 is 1.

2. How to Find the GCF of 398, 653, 989, 423

Answer: Greatest Common Factor(GCF) of 398, 653, 989, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(398, 653, 989, 423) = 1.