Which of the following is not prime factorisation?
1) 2 x 2 x 5
2) 2 x 7
3) 4^3
4) 2^3 x 3 x 5
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Which of the following is not prime factorisation?
1) 2 x 2 x 5
2) 2 x 7
3) 4^3
4) 2^3 x 3 x 5
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Answer:3
Step-by-step explanation: 4 is non prime.it has multiples of 2