Two Prime Factors
(NO Calculator)
Three Prime Factors
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Big Primes!
(Calculator OK!)
Lots of 2s, lots of 3s
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Four or More Prime Factors
(Calculator OK!)
100
14
2 and 7
100
12
2, 2, and 3
100
187
11 and 17
100
16
2, 2, 2, and 2
100
210
2, 3, 5, and 7
200
21
3 and 7
200
30
2, 3, and 5
200
589
19 and 31
200
36
2, 2, 3, and 3
200
300
2, 2, 3, 5, and 5
300
26
2 and 13
300
63
3, 3, and 7
300
2623
43 and 61
300
81
3, 3, 3, and 3
300
490
2, 5, 7, and 7
400
77
7 and 11
400
275
5, 5, and 11
400
4189
59 and 71
400
144
2, 2, 2, 2, 3, and 3
400
70,000
2, 2, 2, 2, 5, 5, 5, 5, and 7
500
143
11 and 13
500
310
2, 5, and 31
500
9797
97 and 101
500
864
2, 2, 2, 2, 2, 3, 3, and 3
500
636
2, 2, 3, and 53
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