GCF for 70 and 160

What is the Greatest common Divisor of 70 and 160?

Answer: GCF of 70 and 160 is 10

(Ten)

Finding GCF for 70 and 160 using all factors (divisors) listing

The first method to find GCF for numbers 70 and 160 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 160: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160

So the Greatest Common Factor for 70 and 160 is 10

Finding GCF for 70 and 160 by Prime Factorization

The second method to find GCF for numbers 70 and 160 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 160: 2, 2, 2, 2, 2, 5

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

Related Calculations

GCF Table

Number 1Number 2GCF
551605
561608
571601
581602
591601
6016020
611601
621602
631601
64160
651605
661602
671601
681604
691601
7016010
711601
721608
731601
741602
751605
761604
771601
781602
791601
8016080
811601
821602
831601
841604

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 70 and 160? (The answer is: 10). Select the first number (e.g. '70') and the second number (e.g. '160'). 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 70 and 160?

GCF of 70 and 160 is 10