Question

43 45 51 57 and 69 find the odd man out among the given numbers

Answer 1

43 is the odd one out.

43 is the only prime number.

All the others are composite number.

45=3*3*5

51=17*3

57=19*3

69=23*3

So 43 is the odd one out.

Hope I helped you.

Answer 2

HEY MATE!!
HERE IS YOUR ANSWER!!
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43is the odd one out
43 is the only prime number
All the others are composite number
45=3×3×5
51=17×3
57=19×3
69=23×3
So,43 is the odd one out.
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Hope it Helps you!!