GCF for 40 and 435

What is the Greatest common Divisor of 40 and 435?

Answer: GCF of 40 and 435 is 5

(Five)

Finding GCF for 40 and 435 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 435 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 435: 1, 3, 5, 15, 29, 87, 145, 435

So the Greatest Common Factor for 40 and 435 is 5

Finding GCF for 40 and 435 by Prime Factorization

The second method to find GCF for numbers 40 and 435 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 435: 3, 5, 29

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 435

GCF Table

Number 1Number 2GCF
254355
264351
274353
284351
2943529
3043515
314351
324351
334353
344351
354355
364353
374351
384351
394353
404355
414351
424353
434351
444351
4543515
464351
474351
484353
494351
504355
514353
524351
534351
544353

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 435? (The answer is: 5). Select the first number (e.g. '40') and the second number (e.g. '435'). 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 435?

GCF of 40 and 435 is 5