A141295 - cp's OEIS frontend

A141295 Largest m<=n such that all k with 1<=k<=m are divisors of n or coprime to n.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	3
7	7
8	5
9	5
10	3
11	11
12	7
13	13
14	3
15	5
16	5
17	17
18	3
19	19
20	5
21	5
22	3
23	23
24	8
25	9
26	3
27	5
28	5
29	29
30	3
31	31
32	5
33	5
34	3
35	9
36	7
37	37
38	3
39	5
40	5
41	41
42	3
43	43
44	5
45	5
46	3
47	47
48	8
49	13
50	3
51	5
52	5
53	53
54	3
55	9
56	5
57	5
58	3
59	59
60	7
61	61
62	3
63	5
64	5
65	9
66	3
67	67
68	5
69	5
70	3
71	71
72	9
73	73
74	3
75	5
76	5
77	13
78	3
79	79
80	5
81	5
82	3
83	83
84	7
85	9
86	3
87	5
88	5
89	89
90	3
91	13
92	5
93	5
94	3

[1, 2, 3, 4, 5, 3, 7, 5, 5, 3, 11, 7, 13, 3, 5, 5, 17, 3, 19, 5, 5, 3, 23, 8, 9, 3, 5, 5, 29, 3, 31, 5, 5, 3, 9, 7, 37, 3, 5, 5, 41, 3, 43, 5, 5, 3, 47, 8, 13, 3, 5, 5, 53, 3, 9, 5, 5, 3, 59, 7, 61, 3, 5, 5, 9, 3, 67, 5, 5, 3, 71, 9, 73, 3, 5, 5, 13, 3, 79, 5, 5, 3, 83, 7, 9, 3, 5, 5, 89, 3, 13, 5, 5, 3]

cp's OEIS Frontend

A141295 Largest m<=n such that all k with 1<=k<=m are divisors of n or coprime to n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	3
7	7
8	5
9	5
10	3
11	11
12	7
13	13
14	3
15	5
16	5
17	17
18	3
19	19
20	5
21	5
22	3
23	23
24	8
25	9
26	3
27	5
28	5
29	29
30	3
31	31
32	5
33	5
34	3
35	9
36	7
37	37
38	3
39	5
40	5
41	41
42	3
43	43
44	5
45	5
46	3
47	47
48	8
49	13
50	3
51	5
52	5
53	53
54	3
55	9
56	5
57	5
58	3
59	59
60	7
61	61
62	3
63	5
64	5
65	9
66	3
67	67
68	5
69	5
70	3
71	71
72	9
73	73
74	3
75	5
76	5
77	13
78	3
79	79
80	5
81	5
82	3
83	83
84	7
85	9
86	3
87	5
88	5
89	89
90	3
91	13
92	5
93	5
94	3

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	3
7	7
8	5
9	5
10	3
11	11
12	7
13	13
14	3
15	5
16	5
17	17
18	3
19	19
20	5
21	5
22	3
23	23
24	8
25	9
26	3
27	5
28	5
29	29
30	3
31	31
32	5
33	5
34	3
35	9
36	7
37	37
38	3
39	5
40	5
41	41
42	3
43	43
44	5
45	5
46	3
47	47
48	8
49	13
50	3
51	5
52	5
53	53
54	3
55	9
56	5
57	5
58	3
59	59
60	7
61	61
62	3
63	5
64	5
65	9
66	3
67	67
68	5
69	5
70	3
71	71
72	9
73	73
74	3
75	5
76	5
77	13
78	3
79	79
80	5
81	5
82	3
83	83
84	7
85	9
86	3
87	5
88	5
89	89
90	3
91	13
92	5
93	5
94	3

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	3
7	7
8	5
9	5
10	3
11	11
12	7
13	13
14	3
15	5
16	5
17	17
18	3
19	19
20	5
21	5
22	3
23	23
24	8
25	9
26	3
27	5
28	5
29	29
30	3
31	31
32	5
33	5
34	3
35	9
36	7
37	37
38	3
39	5
40	5
41	41
42	3
43	43
44	5
45	5
46	3
47	47
48	8
49	13
50	3
51	5
52	5
53	53
54	3
55	9
56	5
57	5
58	3
59	59
60	7
61	61
62	3
63	5
64	5
65	9
66	3
67	67
68	5
69	5
70	3
71	71
72	9
73	73
74	3
75	5
76	5
77	13
78	3
79	79
80	5
81	5
82	3
83	83
84	7
85	9
86	3
87	5
88	5
89	89
90	3
91	13
92	5
93	5
94	3