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There are no two numbers that can be multiplied to get 19; 19 is not divisible by any number.

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Q: What times what equals 19 with only prime numbers?

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The only number that equals 80 is 80, and it's not a prime number.

The only number that equals 60 is 60, and it's not a prime number.

Only one and eleven. Eleven is a prime number. Prime numbers are divisible by one and themselves only.

None. Prime numbers can only be divided by 1 and themselves, so if a prime number is divisible by 371, it isn't a prime number. 53 times 7 equals 371, so 371 cannot be a prime number either.

There is only one number that equals 48. It's 48, and it's not a prime number.

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97 is a prime number - therefore the only answer is 97 & 1

number of prime numbers which are in the seven times tables: 1 prime numbers are in the seven times tables: 7 only

The only prime number that equals 67 is 67.

The only number that equals 60 is 60, and it's not a prime number.

The only number that equals 80 is 80, and it's not a prime number.

A prime number times a prime number is a composite number. Since prime numbers, except for 2, are odd numbers, a prime number times a prime number is usually an odd number. It will only be an even number if one of the prime numbers is 2. A prime number times a prime number will be a number with four factors unless both prime numbers are the same, in which case it will be a square number with only three factors.

Only one and eleven. Eleven is a prime number. Prime numbers are divisible by one and themselves only.

No such combination. Only two prime numbers: 2 and 41

No because prime numbers have only two factors.

389 is a prime number. The only factors are 1 and 389 only.

None. Prime numbers can only be divided by 1 and themselves, so if a prime number is divisible by 371, it isn't a prime number. 53 times 7 equals 371, so 371 cannot be a prime number either.

23 is a prime number. Prime numbers are numbers that when multiplying only 1 and itself make it. Nothing but 1 and 23 equals 23 so 23 is a prime number.

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