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7 and 11

13 and 17

19 and 23

37 and 41

43 and 47

67 and 71

79 and 83

97 and 101

Q: Which pairs of prime numbers have a difference of 4?

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4 and 5 5 and 6 6 and 7

There 4 pairs of primes that can give a sum 40 in addition. They are (3,37), (11,29), (17,23),(19,21).

No, twin primes are pairs of prime numbers that have only one number between them which is a composite number. For example, (3, 5) and (11, 13) are twin prime pairs with the composite number 4 and 12 respectively between them.

Not necessarily. 71 is a prime number, 7 is a prime number, and 71-7= 64, which is NOT a prime number. In most cases, the difference of two prime numbers will not be a prime number. All prime numbers greater than 2 will be odd numbers. The difference between two odd numbers will be an even number. Unless that even number is 2, it is not a prime number. Here are some additional examples: 19, 13: difference 6, not prime 23, 7: difference 16, not prime 53, 31: difference 22, not prime 61, 59: difference 2, prime 113, 109: difference 4, not prime 293, 283: difference 10, not prime 331, 101: difference 230, not prime

47 + 3 = 50, 43 + 7 = 50, 37 + 13 = 50, and 31 + 19 = 50. 4 pairs of prime numbers have a sum of 50. 53 + 7 = 60, 47 + 13 = 60, 43 + 17 = 60, 41 + 19 = 60, 37 + 23 = 60, and 31 + 29 = 60. 6 pairs of prime numbers have a sum of 60.

Related questions

11 and 7 have a difference of 4.

Any prime numbers greater than 2 will be odd numbers. The difference between two odd numbers will be an even number. So, the difference between two prime (and odd) numbers could be 2, 4, or 6, of the numbers given. The difference could not be 3, 5, or 7.

4 and 5 5 and 6 6 and 7

There 4 pairs of primes that can give a sum 40 in addition. They are (3,37), (11,29), (17,23),(19,21).

No, twin primes are pairs of prime numbers that have only one number between them which is a composite number. For example, (3, 5) and (11, 13) are twin prime pairs with the composite number 4 and 12 respectively between them.

Not necessarily. 71 is a prime number, 7 is a prime number, and 71-7= 64, which is NOT a prime number. In most cases, the difference of two prime numbers will not be a prime number. All prime numbers greater than 2 will be odd numbers. The difference between two odd numbers will be an even number. Unless that even number is 2, it is not a prime number. Here are some additional examples: 19, 13: difference 6, not prime 23, 7: difference 16, not prime 53, 31: difference 22, not prime 61, 59: difference 2, prime 113, 109: difference 4, not prime 293, 283: difference 10, not prime 331, 101: difference 230, not prime

47 + 3 = 50, 43 + 7 = 50, 37 + 13 = 50, and 31 + 19 = 50. 4 pairs of prime numbers have a sum of 50. 53 + 7 = 60, 47 + 13 = 60, 43 + 17 = 60, 41 + 19 = 60, 37 + 23 = 60, and 31 + 29 = 60. 6 pairs of prime numbers have a sum of 60.

0 and 27, 1 and 28, 2 and 29, 3 and 30.

It means write down three pairs of numbers that are relatively prime like 4 and 9, 5 and 6, 13 and 25

No they are not prime numbers because 4 is composite.

4 is not prime.

4