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100 REM "Calculate the first N prime numbers"
110 REM "and output them!"
200 CLR
210 INPUT "How many primes (0=stop)? ", N
220 IF N=0 THEN 500
230 DIM P(N): P(1)=2: P(2)=3: I=2
240 IF I=N THEN 360
250 K=P(I)
260 K=K+2
270 L=SQR(K)
280 J=1
290 D=P(J)
310 M=K%D
320 IF M=0 THEN 260
330 IF D<L THEN J=J+1: GOTO 290
340 I=I+1: P(I)=K
350 GOTO 240
360 PRINT "The first",N ,"primes are:"
370 FOR J=1 TO N
380 PRINT #4,J ,P(J)
390 NEXT
400 GOTO 200
500 END
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