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A whole number belongs to the set of integers that are equal to or greater than zero. For example, the set of numbers {0, 1, 2, 3, 4, 5, ...} contains all of the whole numbers. More »
Every integer is not a whole number, but every whole number is an integer. An integer is any number, positive, negative or zero, that is able to be represented without a fraction or decimal, according to Reference.com. T... More »
The smallest whole number is zero. The set of whole numbers includes all natural numbers and the number 0. There is not a largest whole number, as the set of whole numbers is infinite. More »
Consecutive integers are two integers that sit adjacent to each other in a number sequence. An integer is a positive or negative whole number. The lowest value set of positive consecutive integers are 1 and 2, and the hi... More »
Adding two positive integers results in a positive number, and adding two negative integers yields a negative number. Multiplying two negative or two positive integers makes a positive number, but multiplying a negative ... More »
A factor pair is a pair of integers whose product is a given number. The factors of a prime number are only 1 and itself. Composite numbers have the factor pair of 1 and itself, as well as at least one other factor pair. More »
To find the greatest common factor of two or more integers, the common prime factors of each number are multiplied together. The result is the greatest common factor of those two or more integers. If there are no common ... More »

US StandardsAligned
K12 Curriculum Aligned to Stateand Common Core Standards.

IXL Family Membership
Get Started for $9.95/month.Win Prizes, Certificates. Have Fun!

IXL K12 Math Practice
IXL is the Web's Most AdaptiveMath Practice Site. Try it Now!

IXL Teacher Membership
Sign Up for a Free 30Day Trial NowGet Your Students Online in Minutes