rprogn, 152 bytes

Result

WA

Duration

470ms

Code [DL]

function
	`input local =
	0 'isaprime' local =
	1 input sqrt 2 for
		input \ %
		0 ==
		isaprime or 'isaprime' local =
	end
	1 isaprime -
end `isprime =

stdin

62 43 31
70 89 42
64 07 85
96 11 99

stdout

stderr

strace