What is the status of the number 87 in terms of prime and composite classification?
Prime number
Composite number
Both prime and composite
Neither
Why No: 87 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 Checker to check for any number.
Why Yes: 87 is a composite number because it has more than two distinct positive divisors. It is divisible by 1, 3, 29, and itself (87).
Property | Answer |
---|---|
Is 87 a prime number? | No |
Is 87 a composite number? | Yes |
Is 87 a perfect square? | No |
Factors of 87 | 1, 3, 29, 87 |
Multiples of 87 | 87, 174, 261, 348, 435, 522, 609, 696, 783, 870 |
Cube Root of 87 | 4.431 |
Square of 87 | 7569 |
Square Root of 87 | 9.327 |
Is 87 a Perfect Cube? | No |
Is 87 an Irrational number | No |
Is 87 a Rational number | Yes |
Is 87 a Real number | Yes |
Is 87 an Integer | Yes |
Is 87 a Natural number | Yes |
Is 87 a Whole number | Yes |
Is 87 an Even or odd number | Yes (87 is an odd number) |
Is 87 an Ordinal number | Yes |
Is 87 a Complex number | Yes (as all real numbers are also complex numbers) |
The factors of 87 are 1, 3, 29, and 87. Since 87 is divisible by numbers other than 1 and itself, it clearly has more than two factors, confirming that it is a composite number, not a prime number.
The nearest prime numbers to 87 are 83 and 89. 83 is the closest prime number less than 87, and 89 is the closest prime number greater than 87.
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What is the status of the number 87 in terms of prime and composite classification?
Prime number
Composite number
Both prime and composite
Neither
How many total factors does the number 87 have?
1
2
4
8
Which of the following statements is true for 87?
It has only two factors.
It has three factors.
It has four factors.
It has more than four factors.
Which multiplication of prime numbers gives 87?
2 x 43
3 x 29
5 x 17
7 x 13
How many prime factors does 87 have?
0
1
2
3
Which of the following correctly describes 87?
It is a prime number.
It is a composite number
It is a square number
It is a perfect number
Which of the following expressions correctly identifies 87 as a composite number?
87 = 1 x 87
87 = 3 x 29
87 = 5 x 17
87 = 7 x 11
What type of number is 87 based on its divisibility properties?
Prime
Composite
Even
Odd
What is the smallest prime number that divides 87?
2
3
5
7
If you multiply all the prime factors of 87, what is the product?
72
81
87
89
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