No, 51 is not a prime number because it can be divided by 3 and 17.
Is 51 a prime number?
Practice Questions
Q1
Is 51 a prime number?
Yes
No
Only if it's even
Only if it's odd
Questions & Step-by-Step Solutions
Is 51 a prime number?
Step 1: Understand what a prime number is. A prime number is a number greater than 1 that can only be divided by 1 and itself without leaving a remainder.
Step 2: Look at the number 51. We need to check if it can be divided by any numbers other than 1 and 51.
Step 3: Start checking with the smallest prime numbers. First, check if 51 can be divided by 2. Since 51 is odd, it cannot be divided by 2.
Step 4: Next, check if 51 can be divided by 3. When you divide 51 by 3, you get 17 (51 ÷ 3 = 17). This means 51 can be divided by 3.
Step 5: Since 51 can be divided by 3, it is not a prime number. A prime number cannot be divided by any other numbers except for 1 and itself.
Prime Numbers – A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.
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