Question

write all the common factors of a) 60and 75 b) 96,144,240 c) 75,60,21​

Answer 1

Answer:

(a) 1,3,5,15 is common factor

Step-by-step explanation:

(a) Factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60

Factors of 75: 1, 3, 5, 15, 25, and 75

Common Factors of 60 and 75: 1, 3, 5, and 15

(b) Factors of 96 are {1,2,3,4,6,8,12,16,24,32,48,96}

Factors of 144 are {1,2,3,4,6,8,9,12,16,18,24,36,48,72,144}

The factors of 240 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120 and 240.

Hence common factors are {1,2,3,4,6,8,12,16,24,48}