GCF for 43 and 45

What is the Greatest Common Factor of 43 and 45?

Answer: GCF of 43 and 45 is 1

(One)

Finding GCF for 43 and 45 using all factors (divisors) listing

The first method to find GCF for numbers 43 and 45 is to list all factors for both numbers and pick the highest common one:

All factors of 43: 1, 43

All factors of 45: 1, 3, 5, 9, 15, 45

So the Greatest Common Factor for 43 and 45 is 1

Finding GCF for 43 and 45 by Prime Factorization

Related Calculations

GCF Table

Number 1Number 2GCF
2845
2945
3045
31451
3245
33453
34451
3545
3645
37451
38451
3945
4045
41451
4245
43451
44451
454545
46451
47451
48453
49451
50455
51453
52451
53451
54459
55455
56451
57453

About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest Common Factor of 43 and 45? (The answer is: 1). Select the first number (e.g. '43') and the second number (e.g. '45'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

FAQ

What is the Greatest Common Factor of 43 and 45?

GCF of 43 and 45 is 1