GCF for 40 and 365

What is the Greatest common Divisor of 40 and 365?

Answer: GCF of 40 and 365 is 5

(Five)

Finding GCF for 40 and 365 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 365 is to list all factors for both numbers and pick the highest common one:

All factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

All factors of 365: 1, 5, 73, 365

So the Greatest Common Factor for 40 and 365 is 5

Finding GCF for 40 and 365 by Prime Factorization

The second method to find GCF for numbers 40 and 365 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 40: 2, 2, 2, 5

All Prime Factors of 365: 5, 73

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 40 and 365

GCF Table

Number 1Number 2GCF
253655
263651
273651
283651
293651
303655
313651
323651
333651
343651
353655
363651
373651
383651
393651
403655
413651
423651
433651
443651
453655
463651
473651
483651
493651
503655
513651
523651
533651
543651

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 Divisor of 40 and 365? (The answer is: 5). Select the first number (e.g. '40') and the second number (e.g. '365'). 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 Divisor of 40 and 365?

GCF of 40 and 365 is 5