GCF for 40 and 150

What is the Greatest Common Factor of 40 and 150?

Answer: GCF of 40 and 150 is 10

(Ten)

Finding GCF for 40 and 150 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 150 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 150: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150

So the Greatest Common Factor for 40 and 150 is 10

Finding GCF for 40 and 150 by Prime Factorization

The second method to find GCF for numbers 40 and 150 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 150: 2, 3, 5, 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

GCF Table

Number 1Number 2GCF
2515025
261502
271503
281502
291501
3015030
311501
321502
331503
341502
351505
361506
371501
381502
391503
4015010
411501
421506
431501
441502
45150
461502
471501
481506
491501
50150
511503
521502
531501
541506

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 40 and 150? (The answer is: 10). Select the first number (e.g. '40') and the second number (e.g. '150'). 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 40 and 150?

GCF of 40 and 150 is 10