What is the prime factorization of 15? Choices: (A)3 × 5 (B)5 (C)3 × 3 × 5 (D)15

Identify Prime Number: Identify if 15 is a prime number by checking divisibility by prime numbers smaller than its square root. 15 is divisible by 3 (15 ÷ 3 = 5). Check Quotient: Check if the quotient, 5, is a prime number. Since 5 is only divisible by 1 and itself, it is a prime number. Combine Prime Factors: Combine the prime factors obtained. The prime factorization of 15 is 3 multiplied by 5.

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What is the prime factorization of $15$ ? $\newline$ Choices: $\newline$ (A) $3 \times 5$ $\newline$ (B) $5$ $\newline$ (C) $3 \times 3 \times 5$ $\newline$ (D) $15$

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Q. What is the prime factorization of

15

\newline

Choices:

\newline

(A)

3 \times 5

\newline

(B)

5

\newline

(C)

3 \times 3 \times 5

\newline

(D)

15

Identify Prime Number: Identify if $15$ is a prime number by checking divisibility by prime numbers smaller than its square root. $15$ is divisible by $3$ ( $15 \div 3 = 5$ ).
Check Quotient: Check if the quotient, $5$ , is a prime number. Since $5$ is only divisible by $1$ and itself, it is a prime number.
Combine Prime Factors: Combine the prime factors obtained. The prime factorization of $15$ is $3$ multiplied by $5$ .