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Year 8 Square numbers and Prime number show • A square number is a number multiplied by its self • A prime number can only be divided by 1 itself By Dawid Wilk By Rezwan Ali In mathematics, a square number, sometimes also called a perfect square, is an integer that is the square of an integer; in other words, it is the product of some integer with itself. So, for example, 9 is a square number, since it can be written as 3 × 3. Square numbers are non-negative. Another way of saying that a (non-negative) number is a square number, is that its square root is again an integer. For example, √9 = 3, so 9 is a square number. BBy BDalioByThewlis By Dalion Thewlis • Square numbers • Square numbers are 1, 4, 9, 16, 25, etc., when a number is multiplied by it self. By Kieran Mawson Prime numbers can only be divided by 1 itself The first ten prime numbers are 2357111317192329 Prime numbers and square numbers A square number is a number that By Robert Marvell has been multiplied by it self