Is 155003 a prime number?

155 003 is an odd number, because it is not evenly divisible by 2.

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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 155 003 is about 393.704.

Thus, the square root of 155 003 is not an integer, and therefore 155 003 is not a square number.

Anyway, 155 003 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 155 003) is the result of the product of this number (155 003) by itself (i.e., 155 003 × 155 003); the square of 155 003 is sometimes called "raising 155 003 to the power 2", or "155 003 squared".

The square of 155 003 is 24 025 930 009 because 155 003 × 155 003 = 155 003² = 24 025 930 009.

As a consequence, 155 003 is the square root of 24 025 930 009.

155 003 is a number with 6 digits.

The multiples of 155 003 are all integers evenly divisible by 155 003, that is all numbers such that the remainder of the division by 155 003 is zero. There are infinitely many multiples of 155 003. The smallest multiples of 155 003 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 155 003 too, since 0 × 155 003 = 0
• 155 003: indeed, 155 003 is a multiple of itself, since 155 003 is evenly divisible by 155 003 (we have 155 003 / 155 003 = 1, so the remainder of this division is indeed zero)
• 310 006: indeed, 310 006 = 155 003 × 2
• 465 009: indeed, 465 009 = 155 003 × 3
• 620 012: indeed, 620 012 = 155 003 × 4
• 775 015: indeed, 775 015 = 155 003 × 5
• etc.

• Preceding numbers: …155 001, 155 002
• Following numbers: 155 004, 155 005…

Nearest numbers from 155 003

• Preceding prime number: 154 991
• Following prime number: 155 009

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• 155 003 est-il un nombre premier ?