Question

which of the following factor are in prime factorisation?
(a) 1000=2×2×5×5×10
(b) 124=2×2×31
(c) 180=2×3×5×6
(d) 20=2×2×5
Also, give the prime factorisation of those which are not prime factorised ​

Answer 1

Answer:

b and d are the factors in prime factorisation

b and d are not prime factorisation

Answer 2

Answer:

124 and 20 are prime factorised.

(a) 1000=2×2×2×5×5×5

(c) 180=2×2×3×3×5