l am a two digit prime number .the sum of my digits is7.my tens digith is greater than the once digit by 1 .who am i
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Hi JPS 1452,
Tell me you are a two digit no.
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The numbers > 13 i,e, 17, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 are prime numbers with two digits.
If, the sums of their digits are prime, means the number at tenth place is even, because every prime number has odd number at its unit place. Thus the required number will be from “ 23, 29, 41, 43, 47, 61, 67, 83, 89” and the sums of these prime numbers are also prime.
plz mark as BRAINLIST
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