Coughlan told BBC Radio Shropshire: "At the end of the day the league table doesn't lie.
"It has been done but it's a tall order. We need 71 points which in itself may not be enough."
The former Rotherham defender missed the match against Cheltenham after picking up a thigh strain which may keep him out of action for the rest of the season.
He said: "The lads will be disappointed with a draw but we will keep going and try to win every game, it's been a frustrating season."
Source: BBC Sport
Source: BBC Sport