Answer:
The prime factors of 30 are 2 x 3 x 5. The prime factors they have in common are 3 x 5. 3 x 5 = 15. The greatest common factor is 15
The greatest common factor of 35 and 15 is 5. The 'greatest common factor' is sometimes called the 'GCF.
Greatest Common Factor (GCF) of two numbers
the factors of 40 are 1, 2, 4, 5, 8, 10, 20 and 40, and the factors of 50 are 1, 2, 5, 10, 25 and 50.
Step-by-step explanation:
