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For how many two-digit prime

The units digit of a three-digit number is prime. The hundreds digit is twice the tens digit. How many of these three digit
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2. asked by Larry
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Solve the mathematical puzzle.Determine the digits of Z from these clues. The fourth digit of Z is the largest prime factor of
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2. asked by beyonce
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What is the square of the least two-digit prime number?What is the least two-digit prime number? 11 how do i show that the
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2. asked by Christian
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How many two-digit prime numbers can be formed by choosing two different digits from the set {2, 7, 8, 9} to be used as the tens
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How many two-digit prime numbers can be formed by choosing two different digits from the set 2, 7, 8, 9 to be used as the tens
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A book called The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1986) contains fascinating numbers and
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2. asked by Kris
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there are two prime numbers between 100 and 199 such that the ten digits is a prime number, the ones digit is a prime number and
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2. asked by alya
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What are 2 prime numbers between 100-199 such that the tens digit is a prime number, the ones digit is a prime number, and the
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2. asked by Anonymous
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Find the sum of the smallest 2 digit prime number and the largest 2 digit prime number.
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2. asked by ssssss
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The number has 7 digitsIt is evenly divisible by 100 The value of one of the digits is 60,000 The digit in the hundreds place is
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2. asked by brandon
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