All of them except for 61 and 67 which are prime numbers
Chat with our AI personalities
70 and 90
51,52,54,55,56,57,58,60,62,63,64,65,66,68,69 are the composite numbers between 50 and 70.
Two prime numbers, 61 and 67, are the only prime numbers between 60 and 70.
452
53 and 59 are in between 60 and 50. 61 and 67 are in between 60 and 70.