Question

4913 this number can you do without factorisation

Answer 1

Right group = 13
Left group = 49
73 gives 3 at unit’s place so unit digit number in cube root of 4913 should be 7
33= 27 and 43 = 64
27<49<64
So, 10s digit in cube root of 4913 should be 3
Test: 373= 50653 is not equal to 4913

Let us test 273= 19683 ≠ 4913 gives the answer

Let us test 173= 4913 gives the answer.

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