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Q1) A prime number has exactly two factors so 1 isn't prime. A composite number has more than 2 factors, so 1 isn't composite. ... "A number must be a "natural number" for it to be prime and infinity is not a natural number. Natural numbers are positive integers (1,2,3,4,5,etc...)."
Q2) The definition of a prime number is a positive integer that has exactly two distinct divisors. Since the divisors of 2 are 1 and 2, there are exactly two distinct divisors, so 2 is prime. ... In fact, the only reason why most even numbers are composite is that they are divisible by 2 (a prime) by definition.
Q3) Prime number - A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways of writing it as a product, 1 × 5 or 5 × 1, involve 5 itself.
Composite numbers - A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Equivalently, it is a positive integer that has at least one divisor other than 1 and itself. ... For example, the integer 14 is a composite number because it is the product of the two smaller integers 2 × 7.
Q4) The prime factorization of 525 in expanded form is 3×5×5×7 3 × 5 × 5 × 7 .
Q5) Prime Factors of 724 are: 2, 2, 181.
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Q2) The definition of a prime number is a positive integer that has exactly two distinct divisors. Since the divisors of 2 are 1 and 2, there are exactly two distinct divisors, so 2 is prime. ... In fact, the only reason why most even numbers are composite is that they are divisible by 2 (a prime) by definition.
Q3) Prime number - A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime because the only ways of writing it as a product, 1 × 5 or 5 × 1, involve 5 itself.
Composite numbers - A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Equivalently, it is a positive integer that has at least one divisor other than 1 and itself. ... For example, the integer 14 is a composite number because it is the product of the two smaller integers 2 × 7.
Q4) The prime factorization of 525 in expanded form is 3×5×5×7 3 × 5 × 5 × 7 .
Q5) Prime Factors of 724 are: 2, 2, 181.
Hope it helps you....
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