Question

common factor of 20 and 45​

Answer 1

Answer:

Greatest Common Factor (GCF) of 20 and 45

20: 5

45: 5

GCF:5

Step-by-step explanation:

Steps to find GCF

Find the prime factorization of 20

20 = 2 × 2 × 5

Find the prime factorization of 45

45 = 3 × 3 × 5

To find the gcf, multiply all the prime factors common to both numbers:

Therefore, GCF = 5

Answer 2

Answer:

Heya !

Your answer is 5

5 is the common factor of both 20 and 45