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What numbers from 1 to 100 are prime when the digits are reversed?
Wiki User
∙ 12y ago
imm they would b the same wouldn't they, except number 1 may repeat itself (number 1 and 100-001).
Wiki User
∙ 12y ago
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How many digits are there in the numbers 100-425?
525
What two prime numbers multiplied together equal 100?
There are no two prime numbers in which a product of 100 is possible.
How many 3 digit numbers are possible from the digits 012345?
Assuming that the first digit can't be zero: If repetition of digits is permitted: (5 x 6 x 6) = 180 numbers of 3 digits. If repetition of digits is not permitted: (5 x 5 x 4) = 100 numbers of 3 digits.
What three numbers between 80 and 100 are prime numbers?
83, 89, 97
What numbers can go into 29 and 100?
they have no common divisor. 29 is prime.
Which prime numbers less than 100 are also prime numbers when their digits are reversed?
13,31 17,71 37,73 79,97
What is a mirror prime number and do both numbers have to be prime in the answer and what are the mirror primes from 1-100?
Mirror primes are pairs of prime numbers whose digits are reversed. (13,31)(17,71)(37,73)(79,97)
What are the prime numbers between 10 and 100 that are also pime when their digits are reversed?
(13,31)(17,71)(37,73)(79,97)(107,701)(113,311)
How many prime numbers are there whose square has 5 or 6 digits?
solution: we know that there are 25 prime numbers are between 1-100 and 168 prime numbers less than 1000. 100 x 100=10000(5 digits) 999 x 999=998001(6 digits) 1000 x 1000=1000000(7 digits) so our answer should be same as the number of prime numbers between 100 to 999. hence, 168-25=143. 143 prime numbers will be there less than 1000 whose square has 5 or 6 digits.
What are the prime numbers between 10 and 100 that are still prime when reversed?
11 13 17 31 37 71 73 79 97
How many prime numbers from 11 to 100 are there whose digits when interchanged give a prime number?
There are four pair of mirror primes.
What is the number of digits for largest prime number?
As of August 2017, the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618digits.I attached a link with the 100 largest known prime numbers, there you can see the number of digits.
What is the LCM of 100 and 91 with the digits reversed?
The LCM of 91 and 100 is 9100.
Which are prime numbers in 100?
The prime numbers (factors) of 100 are: 2 and 5
What percent of numbers from 1 to 100 are prime numbers?
25 percent of the numbers from 1 to 100 are prime numbers.
How many digits are there in the numbers 100-425?
525
What are prime numbers higher than 100?
what are prime numbers higher than 100
