2: Difference between revisions

Latest revision as of 00:46, 23 June 2012

This article is about a particular natural number.|View all articles on particular natural numbers

The number 2 is a prime number.

Property or family	Parameter values	First few numbers	Proof of satisfaction/membership/containment
prime number	first prime number	2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, [SHOW MORE] 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271 View list on OEIS	divide and check
Sophie Germain prime	first Sophie Germain prime	2, 3, 5, 11, 23, 29, 41, 53, 83, 89, [SHOW MORE] 113, 131, 173, 179, 191, 233, 239, 251, 281, 293, 359, 419, 431, 443, 491, 509, 593, 641, 653, 659, 683, 719, 743, 761, 809, 911, 953, 1013, 1019, 1031, 1049, 1103, 1223, 1229, 1289, 1409, 1439, 1451, 1481, 1499, 1511, 1559 View list on OEIS	$2(2)+1=5$ , 5 is a prime number

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 | [[satisfies property::prime number]] || first prime number || {{#lst:prime number|list}} || divide and check
 |-
-| [[satisfies property::Sophie Germain prime]] || first Sophie Germain prime || {{#lst:Sophie Germain prime|list}} || divide and check
+| [[satisfies property::Sophie Germain prime]] || first Sophie Germain prime || {{#lst:Sophie Germain prime|list}} || <math>2(2) + 1 = 5</math>, [[5]] is a prime number
 |}