bbbc, length of the smallest prime of the form abccc...cccc. Note: The three-digit number abc itself and the two-digit numbers ab, ac, bc are not counted.

Each of these two large numbers has passed 200 strong pseudoprime tests. For all other potential seeds below 891, we have found primes that can be certified ...

... two numbers that is 1 and the number itself. The smallest prime number is 2. Other prime numbers under 50 are, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37 ...

Every integer greater than 1 will have at least two factors i.e. 1 and the number itself. Prime numbers can have only two factors, 1 and the prime number itself ...

Twin Primes: Two prime numbers which differ by 2 are called twin primes. eg ... The smallest multiple of a number is the number itself. We cannot find ...

) Break off the last digit of the number to create two numbers. Take ... smallest positive integer where (kp+1) is multiple of 10. Then add it to the ...

2) It has three and only three two-digit prime factors EF, BE, and GD;. 3 ... If we rearrange all digits of a three digit number from largest to smallest, we get ...

The exponent itself in this number is a Mersenne prime, making it a double Mersenne number. ... Smallest more-than-two-digit repunit prime in base 18. ~ 7.06219* ...

... smallest potential Mersenne prime with at least 1,000,000,000 digits is 23,321,928,097 - 1. Double Mersenne numbers are Mersenne numbers with indices that ...

... in the commonly-used IEEE double-precision floating point format. Also another case of 2^prime - 1 being composite; its smallest prime factor is 6,361.

If you reverse the digits in the two two-digit numbers and the digits are consecutive, the two sides of the equation are equal if the largest and smallest ...

A method and a system for generating prime numbers and testing for primality of an integer. This invention has applicability to “public key” and other ...

six. 6=2x3. It is the smallest number that is the product of two distinct primes. ... primes to quickly show whether a given 2-digit number is prime. This ...

... digit is 1 such that the next prime also ends in a 1. However, it is an open ... Abstract: In 1944, Linnik showed that the least prime in an arithmetic ...

Which subtraction using all the digits 3, 4, 5, 6, 7 has the smallest positive answer? • Two prime numbers are added. The answer is 45. What are the numbers? • ...

Students can compare and order fractions, mixed numbers, and/or decimals in a given set, from least to greatest and greatest to least.

Write a program in Java to accept a number from user and print the smallest digit. ... A special two-digit number is such that when the sum of the digits is added ...

We will explore these questions and others related to prime numbers on Saturday. Discovery Learning: Intermediate Group (in Algebra I or above). Speaker: Kyle ...

If the number is not known to be prime or composite and has no known ... r(6, n) when n is at least 2 is equal to r(3, n) * (5n mod 9). Similarly, r ...

Meant to develop understanding of proximity and rounding. (e.g. Start with 500. Enter a few numbers that would round to 500.) Two boxes at the bottom allow you ...