Of all the prime numbers between 10 and 10,000, which ending digits (1, 3, 7, 9) occurs the most frequently? Any help would be greatly appreciated. Thank you.

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Rom: I get slightly different count. There are 1,225 Primes between 10 and 10,000:

1 = 306, 3 = 309, 7 = 307, 9 = 303 Total =1,225

I'm showing 2 as the first prime and 9973 as the 1229th prime.

10007 is the 1230th prime.

Oh, my bad... between 10 and 10000... blah

I get

(1,3,5,7) = (306,309,307,303)

as you did. Righto then.