GCF for 40 and 160

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 40 and 160?

Answer: GCF of 40 and 160 is 40

(Forty)

Finding GCF for 40 and 160 using all factors (divisors) listing

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

So the Greatest Common Factor for 40 and 160 is 40

Finding GCF for 40 and 160 by Prime Factorization

The second method to find GCF for numbers 40 and 160 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 160: 2, 2, 2, 2, 2, 5

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

Now we need to multiply them to find GCF: 2 × 2 × 2 × 5 = 40

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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 160? (The answer is: 40). Select the first number (e.g. '40') 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

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
251605
261602
271601
281604
291601
3016010
311601
3216032
331601
341602
351605
361604
371601
381602
391601
4016040
411601
421602
431601
441604
451605
461602
471601
4816016
491601
5016010
511601
521604
531601
541602

FAQ

What is the Greatest common Divisor of 40 and 160?

GCF of 40 and 160 is 40

See Also