Is 72 a prime number?
Yes
No
Sometimes
Not enough information
Why No: 72 is not a prime number because it does not meet the prime criteria of having exactly two distinct positive divisors: 1 and itself. Use this prime number tool to see if any number is Prime or not
Why Yes: 72 is a composite number because it has more than two distinct positive divisors. It is divisible by 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and itself (72).
Property | Answer |
---|---|
Is 72 a prime number? | No |
Is 72 a composite number? | Yes |
Is 72 a perfect square? | No |
Factors of 72 | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 |
Multiples of 72 | 72, 144, 216, 288, 360, 432, 504, 576, 648, 720 |
Cube Root of 72 | 4.160 |
Square of 72 | 5184 |
Square Root of 72 | 8.485 |
Is 72 a Perfect Cube? | No |
Is 72 an Irrational number | No |
Is 72 a Rational number | Yes |
Is 72 a Real number | Yes |
Is 72 an Integer | Yes |
Is 72 a Natural number | Yes |
Is 72 a Whole number | Yes |
Is 72 an Even or odd number | Yes (72 is an even number) |
Is 72 an Ordinal number | Yes |
Is 72 a Complex number | Yes (as all real numbers are also complex numbers) |
The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. 72 is not a prime number because it is divisible by numbers other than 1 and itself, demonstrating it has multiple factors. This clarity confirms that it is a composite number, not a prime number.
72, as a composite number, occupies a different position in mathematics compared to prime numbers. Unlike a prime number that is divisible only by 1 and itself, 72’s divisibility by multiple numbers illustrates its composite nature. Its properties as an even number, a composite, and a natural number make it an interesting figure in various mathematical discussions.
The nearest prime numbers to 72 are 71 and 73. 71 is the closest prime number less than 72, and 73 is the closest prime number greater than 72.
The prime factors of 72 are 2 and 3. Breaking down 72 into its prime components involves 2^3 (or 2 × 2 × 2) and 3^2 (or 3 × 3).
72 is not a co-prime number by itself. Two numbers are co-prime if their greatest common divisor (GCD) is 1. 72 can share factors other than 1 with various numbers.
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Is 72 a prime number?
Yes
No
Sometimes
Not enough information
Which of the following best describes 72?
A prime number
A composite number
Neither prime nor composite
A perfect square
Which of these numbers is not a factor of 72?
2
4
5
8
What is the largest factor of 72?
72
36
24
18
How many factors does the number 72 have?
8
10
12
15
Which number divides 72 evenly?
7
11
12
15
What type of number is 72 based on its divisors?
Prime
Composite
Neither
Perfect
Which of the following numbers is a factor of 72?
10
14
18
24
Which of these statements about 72 is true?
72 is divisible by 1 and itself only.
72 has exactly two factors.
72 is a prime number.
72 is a composite number.
What is the smallest prime factor of 72?
2
3
6
8
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