Q: What are the three smallest primes whose sum is a prime number?

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8 has three primes (2x2x2) in its factorization, and 30 is the smallest number having three different primes (2x3x5) in its factorization.

The largest three digit prime number whose digits are all primes is 773.

The smallest prime factor of 195 is three.

smallest 3-digit prime is 101. 100 is not a prime number (very obviously)

The smallest prime number that divides 147 evenly is three (3).

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8 has three primes (2x2x2) in its factorization, and 30 is the smallest number having three different primes (2x3x5) in its factorization.

5711

If by "least number" you mean "smallest positive integer", then the answer is the product of the three smallest primes: 2x3x5 = 30

The largest three digit prime number whose digits are all primes is 773.

The smallest three digit prime number is 101.

100 is divisible by 1, 2, and 5. 1 is not itself a prime number; 101 is a prime; 102/2 =51 102/3 =34 102/17=6

The smallest prime factor of 195 is three.

30, which is the smallest positive integer divisible by the first three primes: 2, 3 and 5.

smallest 3-digit prime is 101. 100 is not a prime number (very obviously)

The smallest prime number that will divide 147 evenly is three.

How about: 773

The smallest prime number that divides 147 evenly is three (3).