509
97ΤΪΜ
f
26ΤΪΜ
Sophie Germainf
tΜzΒί
: 508
45ΤΪΜ
4n+1^Μf
( 509 = 22
2
+ 5
2
)
ΜfάΕΜ·
Ν12
8i\L(775)
8
16i\L(1FD)
16
11ΤΪΜ
20n+9^Μf
( 509 = 3
2
+ 5~10
2
)