Semi-Prime Numbers Up To 100

A number is semi-prime if it is the product of two prime numbers. There are 34 semi-primes less than 100 - can you name them?
Quiz by
Jerry928
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Last updated: September 16, 2016
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First submittedSeptember 15, 2016
Times taken54
Average score67.6%
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semi-prime
4
6
9
10
14
15
21
semi-prime
22
25
26
33
34
35
38
semi-prime
39
46
49
51
55
57
58
semi-prime
62
65
69
74
77
82
85
semi-prime
86
87
91
93
94
95
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1 Comments
+1
Level 80
Sep 15, 2016
nice!