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Q: What two prime numbers have two hundred digits?

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Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.

73 is the largest two-digit number that is prime and has prime numbers for both of its digits.

It is: 73 of which 7 and 3 are both prime numbers

If you multiply two prime numbers, the product (result) will be a composite number, not a prime number. A prime number has exactly two factors, 1 and itself. The product of two prime numbers will have those two numbers as factors, as well. The sum of two prime numbers might be prime if one of those two numbers is 2, the only even prime number, but otherwise it will not be a prime because two odd numbers will have an even sum, which means it is divisible by 2. Examples: 2 + 3 = 5 (prime) 3 + 7 = 10 (not prime) 13 + 17 = 30 (not prime) If you multiply two prime numbers, the sum of the digits of the product might or might not be prime. Examples: 2 x 7 = 14, sum of digits is 5 (prime) 2 x 11 = 22, sum of digits is 4 (not prime) 3 x 5 = 15, sum of digits is 6 (not prime) 3 x 7 = 21, sum of digits is 3 (prime) 5 x 7 = 35, sum of digits is 8 (prime)

Smallest is 11 & Largest is 77.

46 of them.

there are 4

73 satisfies your condition.

11 is the only prime number with identical digits. After 11 all numbers with identical digits can be divided by atleast 11 or 3.

I guess you mean: The LCM of two prime numbers is 119; what are the two prime numbers? 119 = 7 x 17 The two prime numbers are 7 and 17.

There are two numbers that satisfy the criteria. 38 and 83

The only two digit numbers whose digits add up to 17 are 89 and 98. Since 98 is an even number, 89 is prime.

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