Which of the following is a prime number?

23882990
16769023
38377296
11723835
A prime number has no positive divisors other than 1 and itself. Hence, a prime bigger than 2 cannot be even. All prime numbers bigger than 5, written in the usual decimal system, end in 1, 3, 7, or 9.
Sumit Tamang
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Answers by country

23882990
16769023
38377296
11723835
answers
flagthe Netherlands
5%
78%
0%
15%
19
flagMalaysia
15%
76%
0%
7%
13
flagIndia
8%
73%
8%
8%
157
flagUnknown
0%
72%
22%
4%
22
flagthe United States
6%
69%
11%
11%
249
flagRepublic of Ireland
12%
68%
12%
6%
16
flagthe United Kingdom
10%
65%
10%
8%
132
flagAustralia
6%
64%
12%
16%
31
flagGermany
11%
63%
9%
15%
77
flagPoland
10%
61%
9%
17%
16236
flagGhana
13%
60%
0%
26%
15
flagAustria
7%
53%
23%
15%
13
flagFrance
23%
52%
11%
11%
17
flagCanada
23%
50%
15%
7%
26
flagGreece
25%
50%
6%
18%
16
flagthe Philippines
34%
48%
3%
6%
29
flagSpain
30%
30%
30%
10%
10
flagPakistan
0%
26%
31%
36%
19