Question

what are the prime factors for 45 , 12 , and 78

Answer 1

45 = 3 × 3 × 5                         , Prime factor for 45 = 3 and 5
12 = 2 × 2 × 3                         , Prime factor for 12 = 2 and 3
78 = 2 × 3 × 13                       , Prime factor for 78 = 2 , 3 , 13.



 

Answer 2

45=5×3×3 12=3×2×2 78=3×13×2