16,61,25,52,34,43,70 any of these will work
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No two digit prime number exists that is a multiple of 7. All two digit numbers that are multiples of 7 are compositenumbers.
21
The smallest odd 7-digit number is 1,000,001 .If you also want the ones digit to be the sum of the thousands and ten-thousands digits,then the smallest odd 7-digit number that satisfies that additional requirement is 1,001,001,but it's no longer the smallest odd 7-digit number.
1000001 is the smallest 7 digit odd number...
There are 4 possible answers: 32, 53, 74 and 95.