GCF for 70 and 355

What is the Greatest Common Factor of 70 and 355?

Answer: GCF of 70 and 355 is 5

(Five)

Finding GCF for 70 and 355 using all factors (divisors) listing

The first method to find GCF for numbers 70 and 355 is to list all factors for both numbers and pick the highest common one:

All factors of 70: 1, 2, 5, 7, 10, 14, 35, 70

All factors of 355: 1, 5, 71, 355

So the Greatest Common Factor for 70 and 355 is 5

Finding GCF for 70 and 355 by Prime Factorization

The second method to find GCF for numbers 70 and 355 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 70: 2, 5, 7

All Prime Factors of 355: 5, 71

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 70 and 355

GCF Table

Number 1Number 2GCF
553555
563551
573551
583551
593551
603555
613551
623551
633551
643551
653555
663551
673551
683551
693551
703555
7135571
723551
733551
743551
753555
763551
773551
783551
793551
803555
813551
823551
833551
843551

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 70 and 355? (The answer is: 5). Select the first number (e.g. '70') and the second number (e.g. '355'). 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 70 and 355?

GCF of 70 and 355 is 5