GCF for 30 and 710

What is the Greatest Common Factor of 30 and 710?

Answer: GCF of 30 and 710 is 10

(Ten)

Finding GCF for 30 and 710 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 710 is to list all factors for both numbers and pick the highest common one:

All factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

All factors of 710: 1, 2, 5, 10, 71, 142, 355, 710

So the Greatest Common Factor for 30 and 710 is 10

Finding GCF for 30 and 710 by Prime Factorization

The second method to find GCF for numbers 30 and 710 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 30: 2, 3, 5

All Prime Factors of 710: 2, 5, 71

As we can see there are Prime Factors common to both numbers: 2, 5

Now we need to multiply them to find GCF: 2 × 5 = 10

GCF Table

Number 1Number 2GCF
157105
167102
177101
187102
197101
2071010
217101
227102
237101
247102
257105
267102
277101
287102
297101
3071010
317101
327102
337101
347102
357105
367102
377101
387102
397101
4071010
417101
427102
437101
447102

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 30 and 710? (The answer is: 10). Select the first number (e.g. '30') and the second number (e.g. '710'). 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 30 and 710?

GCF of 30 and 710 is 10