Is 42139 a prime number?

42 139 is an odd number, because it is not evenly divisible by 2.

Find out more:

• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 42 139 is about 205.278.

Thus, the square root of 42 139 is not an integer, and therefore 42 139 is not a square number.

Anyway, 42 139 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 42 139) is the result of the product of this number (42 139) by itself (i.e., 42 139 × 42 139); the square of 42 139 is sometimes called "raising 42 139 to the power 2", or "42 139 squared".

The square of 42 139 is 1 775 695 321 because 42 139 × 42 139 = 42 139² = 1 775 695 321.

As a consequence, 42 139 is the square root of 1 775 695 321.

42 139 is a number with 5 digits.

The multiples of 42 139 are all integers evenly divisible by 42 139, that is all numbers such that the remainder of the division by 42 139 is zero. There are infinitely many multiples of 42 139. The smallest multiples of 42 139 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 139 too, since 0 × 42 139 = 0
• 42 139: indeed, 42 139 is a multiple of itself, since 42 139 is evenly divisible by 42 139 (we have 42 139 / 42 139 = 1, so the remainder of this division is indeed zero)
• 84 278: indeed, 84 278 = 42 139 × 2
• 126 417: indeed, 126 417 = 42 139 × 3
• 168 556: indeed, 168 556 = 42 139 × 4
• 210 695: indeed, 210 695 = 42 139 × 5
• etc.

• Preceding numbers: …42 137, 42 138
• Following numbers: 42 140, 42 141…

Nearest numbers from 42 139

• Preceding prime number: 42 131
• Following prime number: 42 157

• Is 0 a prime number?
• Is 1 a prime number?
• Is 2 a prime number?
• Is 2024 a prime number?
• Is 2025 a prime number?
• Is 5039 a prime number?

• Five thousand prime numbers

• Contact

• 42 139 est-il un nombre premier ?