Question

Find the prime factorisation of the following numbers by factor tree method:
(a) 15
(b) 45
(C) 54
(d) 64
(e) 78
​

Answer 1

Answer:

a) 15 = 3×5×1

b) 45 = 3×3×5×1

c) 54 = 2×3×3×3×1

d) 64 = 2×2×2×2×2×2×1

HOPE IT HELPED................