Q: How many 2 digit prime numbers are there whose unit digit is greater its tens digit?

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773.

two prime numbers whose product is 141 = 3 & 47

If you are looking for two prime numbers whose difference is 1, then the numbers have to be 1 & 3.

961

9409

Related questions

73 satisfies your condition.

The smallest two-digit prime number whose digits themselves are prime is 23. Both 2 and 3 are prime numbers, and together they form the prime number 23.

29

The answer is vague but correct . Take any two prime numbers whose combined digit length is 501 and their product will generate a 500 or a 501 digit number.

11, 19, 41, 61, and 89

Two-digit prime numbers whose digits add up to 10 are:193773

889

There are only two prime numbers that are consecutive numbers, 2 and 3. Their product is 2 x 3 = 6. The first prime numbers are 2, 3, 5, and 7 and the only two consecutive prime numbers whose product is a single digit are 2 and 3. (The next two consecutive prime numbers, 3 and 5, have a two-digit product.)

There is no three digit prime number whose square root is a prime number. Prime numbers have no factors other than 1 and themselves. Any number having a prime number as a square root is a composite number.

Meaningless question.

Smallest is 11 & Largest is 77.

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