discrete math
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Let’s agree to say that a positive integer is primelike if it is not divisible by 2, 3, or 5. How many primelike positive integers are there less than 100? less than 1000? A positive integer is very primelike if it is not
asked by chicken on April 1, 2010 
MATH
Let’s agree to say that a positive integer is primelike if it is not divisible by 2, 3, or 5. How many primelike positive integers are there less than 100? less than 1000? A positive integer is very primelike if it is not
asked by David on April 2, 2010 
MATH
TWO INTEGERS ARE DEFINED AS "PARTNERS" IF BOTH OF THEIR PRIME FACTORIZATIONS CONTAIN ALL THE SAME PRIME FACTORS. FOR EXAMPLE, 15 AND 45 ARE PARTNERS SINCE BOTH ARE DIVISIBLE BY THE SAME SET OF PRIME NUMBERS 3 AND 5. HOW MANY
asked by DEANDRA on September 11, 2012 
algebra
Call a positive integer N ≥ 2 “special” if for every k such that 2 ≤ k ≤ N, N can be expressed as a sum of k positive integers that are relatively prime to N (although not necessarily relatively prime to each other). How
asked by Dip on October 6, 2016 
math
Can someone help me with prime and composite numbers? Prime numbers are counting numbers that can be divided evenly bt only two numbers:1 and themselves. A prime number can also be described as a counting number with exactly two
asked by haylo on October 24, 2006 
Precalculus
Sets A,B and C are subsets of U. U= positive integers less than 16 A= prime numbers B= factors of 36 C= multiples of 4 (A intersect B)' union C {?} My answer: 1,4,5,6,7,8,9,10,11,12,13,14,15 union 4,8,12 {4,8,12}
asked by Anonymous on April 26, 2014 
college math
Suppose 32 = alpha*beta for alpha, beta reatively prime quadratic integers in Q[i] . Show that alpha = epsilon*gamma^2 for some unit epsilon and some quadratic integers gamma in Q[i]. Please help me . I got stuck with it! I'm not
asked by student on November 16, 2006 
math please
what exactly is a prime factor would x5 x+5 and x2+25 all be prime factors of x4625? Yes, I believe those would be the prime factors. x^4  625 can be factored into (x^2 25)(x^2 + 25) and once again into (x5)(x+5)(x^2 + 25)
asked by anonymous on November 30, 2006 
mathgeometry
1. A rhombus has a perimeter of 96, and the length of one of its diagonals is 32. The area of the circle inscribed in the rhombus can be expressed as k*pi/w where k and w are relatively prime positive integers. Find the value of k
asked by jujube on January 20, 2008 
math
The four values x, y, x−y and x+y are all positive prime integers. What is the sum of all the four integers?
asked by ayan on April 24, 2013