Greatest Common Factor of 45, 402, 421

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

• Greatest Common Factor of 45, 402, 421 by common division method
• Greatest Common Factor of 45, 402, 421 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 402

List of positive integer factors of 402 that divides 402 without a remainder.

1,2,3,6,67,134,201,402

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 45,402,421 . The biggest common factor number is the GCF number.
So the greatest common factor 45,402,421 is 1.

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

• GCF of 47, 587, 157
• GCF of 42, 295, 815
• GCF of 95, 491, 497
• GCF of 75, 389, 732
• GCF of 79, 761, 202

1. What is the GCF of 45, 402, 421?

Answer: GCF of 45, 402, 421 is 1.

2. How to Find the GCF of 45, 402, 421

Answer: Greatest Common Factor(GCF) of 45, 402, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 402, 421) = 1.