Answer:
18
Step-by-step explanation:
Prime factorization of the numbers:
72 = 2 × 2 × 2 × 3 × 3
90 = 2 × 3 × 3 × 5
162 = 2 × 3 × 3 × 3 × 3
GCF(72, 90, 162)
= 2 × 3 × 3
= 18
Answer: 18
Step-by-step explanation:
Factors for 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72
Factors for 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90
Factors for 162: 1, 2, 3, 6, 9, 18, 27, 54, 81, and 162
