Question

iven number
Exer
1. Show the prime factorisation of the
following numbers using the factor tree.
a) 72
b) 108 c) 160
d) 216
f) 920
e) 305​

Answer 1

72= 2*2*2*3*3

108=2*2*3*3*3

160=2*2*2*2*2*5

216=2*2*2*3*3*3

305=5*61

920=2*2*2*5*23