Is 100138 a prime number?

100 138 is an even number, because it is evenly divisible by 2: 100 138 / 2 = 50 069.

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• 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 100 138 is about 316.446.

Thus, the square root of 100 138 is not an integer, and therefore 100 138 is not a square number.

The square of a number (here 100 138) is the result of the product of this number (100 138) by itself (i.e., 100 138 × 100 138); the square of 100 138 is sometimes called "raising 100 138 to the power 2", or "100 138 squared".

The square of 100 138 is 10 027 619 044 because 100 138 × 100 138 = 100 138² = 10 027 619 044.

As a consequence, 100 138 is the square root of 10 027 619 044.

100 138 is a number with 6 digits.

The multiples of 100 138 are all integers evenly divisible by 100 138, that is all numbers such that the remainder of the division by 100 138 is zero. There are infinitely many multiples of 100 138. The smallest multiples of 100 138 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 100 138 too, since 0 × 100 138 = 0
• 100 138: indeed, 100 138 is a multiple of itself, since 100 138 is evenly divisible by 100 138 (we have 100 138 / 100 138 = 1, so the remainder of this division is indeed zero)
• 200 276: indeed, 200 276 = 100 138 × 2
• 300 414: indeed, 300 414 = 100 138 × 3
• 400 552: indeed, 400 552 = 100 138 × 4
• 500 690: indeed, 500 690 = 100 138 × 5
• etc.

• Preceding numbers: …100 136, 100 137
• Following numbers: 100 139, 100 140…

Nearest numbers from 100 138

• Preceding prime number: 100 129
• Following prime number: 100 151

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• 100 138 est-il un nombre premier ?