Is 42478 a prime number?

42 478 is an even number, because it is evenly divisible by 2: 42 478 / 2 = 21 239.

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 42 478 is about 206.102.

Thus, the square root of 42 478 is not an integer, and therefore 42 478 is not a square number.

The square of a number (here 42 478) is the result of the product of this number (42 478) by itself (i.e., 42 478 × 42 478); the square of 42 478 is sometimes called "raising 42 478 to the power 2", or "42 478 squared".

The square of 42 478 is 1 804 380 484 because 42 478 × 42 478 = 42 478² = 1 804 380 484.

As a consequence, 42 478 is the square root of 1 804 380 484.

42 478 is a number with 5 digits.

The multiples of 42 478 are all integers evenly divisible by 42 478, that is all numbers such that the remainder of the division by 42 478 is zero. There are infinitely many multiples of 42 478. The smallest multiples of 42 478 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 478 too, since 0 × 42 478 = 0
• 42 478: indeed, 42 478 is a multiple of itself, since 42 478 is evenly divisible by 42 478 (we have 42 478 / 42 478 = 1, so the remainder of this division is indeed zero)
• 84 956: indeed, 84 956 = 42 478 × 2
• 127 434: indeed, 127 434 = 42 478 × 3
• 169 912: indeed, 169 912 = 42 478 × 4
• 212 390: indeed, 212 390 = 42 478 × 5
• etc.

• Preceding numbers: …42 476, 42 477
• Following numbers: 42 479, 42 480…

Nearest numbers from 42 478

• Preceding prime number: 42 473
• Following prime number: 42 487

• Is 0 a prime number?
• Is 1 a prime number?
• Is 2 a prime number?
• Is 2025 a prime number?
• Is 2026 a prime number?
• Is 4453 a prime number?

• Five thousand prime numbers

• Contact

• 42 478 est-il un nombre premier ?