Chen primes up to 707

Chen primes: A prime number p is called a Chen prime if p + 2 is either a prime or semiprime.

There is 87 chen primes smaller than 707.

Checkout chen primes up to: 100, 500, 1000, 10000.

List#

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 53, 59, 67, 71, 83, 89, 101, 107, 109, 113, 127, 131, 137, 139, 149, 157, 167, 179, 181, 191, 197, 199, 211, 227, 233, 239, 251, 257, 263, 269, 281, 293, 307, 311, 317, 337, 347, 353, 359, 379, 389, 401, 409, 419, 431, 443, 449, 461, 467, 479, 487, 491, 499, 503, 509, 521, 541, 557, 563, 569, 571, 577, 587, 599, 617, 631, 641, 647, 653, 659, 677, 683, 701

Table#

	1	2	3	4	5	6	7	8	9	10
1 - 10	2	3	5	7	11	13	17	19	23	29
11 - 20	31	37	41	47	53	59	67	71	83	89
21 - 30	101	107	109	113	127	131	137	139	149	157
31 - 40	167	179	181	191	197	199	211	227	233	239
41 - 50	251	257	263	269	281	293	307	311	317	337
51 - 60	347	353	359	379	389	401	409	419	431	443
61 - 70	449	461	467	479	487	491	499	503	509	521
71 - 80	541	557	563	569	571	577	587	599	617	631
81 - 90	641	647	653	659	677	683	701

Learn more about Chen primes.
All chen primes

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