Ask a New Question

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
1. 1 answer
2. asked by Larry
3. 623 views
Solve the mathematical puzzle.Determine the digits of Z from these clues. The fourth digit of Z is the largest prime factor of
1. 2 answers
2. asked by beyonce
3. 1,692 views
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
1. 1 answer
2. asked by Christian
3. 497 views
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
1. 1 answer
2. 81 views
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
1. 1 answer
2. 79 views
A book called The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1986) contains fascinating numbers and
1. 1 answer
2. asked by Kris
3. 662 views
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
1. 3 answers
2. asked by alya
3. 2,101 views
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
1. 0 answers
2. asked by Anonymous
3. 490 views
Find the sum of the smallest 2 digit prime number and the largest 2 digit prime number.
1. 1 answer
2. asked by ssssss
3. 1,264 views
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
1. 12 answers
2. asked by brandon
3. 542 views