A289280 - cp's OEIS frontend

A289280 a(n) = least integer k > n such that any prime factor of k is also a prime factor of n.

n	a(n)
2	4
3	9
4	8
5	25
6	8
7	49
8	16
9	27
10	16
11	121
12	16
13	169
14	16
15	25
16	32
17	289
18	24
19	361
20	25
21	27
22	32
23	529
24	27
25	125
26	32
27	81
28	32
29	841
30	32
31	961
32	64
33	81
34	64
35	49
36	48
37	1369
38	64
39	81
40	50
41	1681
42	48
43	1849
44	64
45	75
46	64
47	2209
48	54
49	343
50	64
51	81
52	64
53	2809
54	64
55	121
56	64
57	81
58	64
59	3481
60	64
61	3721

[4, 9, 8, 25, 8, 49, 16, 27, 16, 121, 16, 169, 16, 25, 32, 289, 24, 361, 25, 27, 32, 529, 27, 125, 32, 81, 32, 841, 32, 961, 64, 81, 64, 49, 48, 1369, 64, 81, 50, 1681, 48, 1849, 64, 75, 64, 2209, 54, 343, 64, 81, 64, 2809, 64, 121, 64, 81, 64, 3481, 64, 3721]

cp's OEIS Frontend

A289280 a(n) = least integer k > n such that any prime factor of k is also a prime factor of n.

Table of values

List of values