The smallest 3 digit prime number is:
The smallest 3-digit number is 100, which is divisible by 2.
$\therefore$ 100 is not a prime number.
$ \sqrt{101} $ < 11 and 101 is not divisible by any of the prime numbers 2, 3, 5, 7, 11.
$\therefore$101 is a prime number.
Hence 101 is the smallest 3-digit prime number.
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Which one of the following numbers is exactly divisible by 11? |
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(?) - 19657 - 33994 = 9999 |
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$\dfrac{753 \times 753 + 247 \times 247 - 753 \times 247}{753 \times 753 \times 753 + 247 \times 247 \times 247}$=? |
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(?) + 3699 + 1985 - 2047 = 31111 |
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107 x 107 + 93 x 93 = ? |
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How many of the following numbers are divisible by 3 but not by 9 ? |
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$\dfrac{(963 + 476)^2 + (963 - 476)^2}{(963 \times 963 + 476 \times 476)}$=? |
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8597 - ? = 7429 - 4358 |
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The smallest prime number is: |
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12345679 x 72 = ? |
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