GCF for 42 and 282

What is the Greatest common Divisor of 42 and 282?

Answer: GCF of 42 and 282 is 6

(Six)

Finding GCF for 42 and 282 using all factors (divisors) listing

The first method to find GCF for numbers 42 and 282 is to list all factors for both numbers and pick the highest common one:

All factors of 42: 1, 2, 3, 6, 7, 14, 21, 42

All factors of 282: 1, 2, 3, 6, 47, 94, 141, 282

So the Greatest Common Factor for 42 and 282 is 6

Finding GCF for 42 and 282 by Prime Factorization

The second method to find GCF for numbers 42 and 282 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 42: 2, 3, 7

All Prime Factors of 282: 2, 3, 47

As we can see there are Prime Factors common to both numbers: 2, 3

Now we need to multiply them to find GCF: 2 × 3 = 6

GCF Table

Number 1Number 2GCF
272823
282822
292821
302826
312821
322822
332823
342822
352821
362826
372821
382822
392823
402822
412821
422826
432821
442822
452823
462822
4728247
482826
492821
502822
512823
522822
532821
542826
552821
562822

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 42 and 282? (The answer is: 6). Select the first number (e.g. '42') and the second number (e.g. '282'). 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 42 and 282?

GCF of 42 and 282 is 6