Non isomorphic group of order 10

Question

Number of non isomorphic group of order 10

Comments

1?

Answer 1

The Number of Abelian Group of Order $P^{k}$ is the number of Partitions of k. P is Prime Number

$10=2^{1}*5^{1}$

Partition of 1 = {1} 

Number of Partition =1

please check https://gateoverflow.in/1219/gate2007-21

Answer 2

Answer is 2
one Z10,Z2×Z5 or D5