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To determine which of the numbers is a Prime number, we need to check each one individually.

1: 103: 103 is a prime number because it has no divisors other than 1 and itself. In other words, it cannot be evenly divided by any other whole number.

2: 229: 229 is a prime number for the same reason as 103. It has no divisors other than 1 and 229.

3: 817: 817 is not a prime number because it can be divided evenly by numbers other than 1 and itself. Specifically, it can be divided by 17, which gives us 817 ÷ 17 = 48.

So, out of the given numbers, 103 and 229 are prime numbers, while 817 is not a prime number.

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molbi ahsen

Lvl 4
1y ago

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