Status of search for primes k.2ⁿ+1

901 < k < 999 & 1,000,000 < n < 1,500,000

Recently reserved ranges | Reserve or submit a range

Color legend:

completed (X)

being tested

available

k \ n x 1000

1000-1020

1020-1040

1040-1060

1060-1080

1080-1100

1100-1120

1120-1140

1140-1160

1160-1180

1180-1200

1200-1220

1220-1240

1240-1260

1260-1280

1280-1300

1300-1320

1320-1340

1340-1360

1360-1380

1380-1400

1400-1420

1420-1440

1440-1460

1460-1480

1480-1500

901

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

903

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

905

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

907

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

909

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

911

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

913

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

915

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

917

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

919

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

921

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

923

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

925

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

927

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

929

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

931

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

933

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

935

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

937

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

939

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

941

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

943

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

945

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

947

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

949

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

951

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

953

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

955

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

957

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

959

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

961

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

963

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

965

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

967

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

969

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

971

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

973

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

975

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

977

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

979

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

981

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

983

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

985

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

987

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

989

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

991

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

993

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

995

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

997

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

999

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X