41 is prime.
51 is composite. 51=3 x 17 .
71 is prime.
81 is composite. 92
91 is composite. 91 = 7 × 13
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∙ 2012-04-16 20:50:03A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 71 is prime.No 71 is prime. 1 and 71 are the only factors.
Yes, 71 is a prime number.
3 x 17 = 51. It has factors other than 1 and itself. It is composite. 61 is prime. Its only factors are 1 and 61. 71 is prime. Its only factors are 1 and 71. 7 x 13 = 91. It is a composite number.
71 is a prime number.
61 and 71 are prime numbers the rest are composite numbers
71 is prime 45 = 3 x 15 51 = 3 x 17
11: 11 31: 31 41: 41 51: 3, 17 61: 61 71: 71 81: 3 91: 7, 13
24, 51 and 72 are composite numbers 71 is a prime number.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 71 is prime.No 71 is prime. 1 and 71 are the only factors.
They are: 53, 59, 61, 67, 71 and 73
This number is prime, and prime means that there are no numbers that equal this problem. Except for:1 and itself (40)
31 41 61 71
It is: 1, 11, 21, 31, 41, 51, 61, 71, 81, and 91.
71 is a prime number.
3 x 17 = 51. It has factors other than 1 and itself. It is composite. 61 is prime. Its only factors are 1 and 61. 71 is prime. Its only factors are 1 and 71. 7 x 13 = 91. It is a composite number.
Yes, 71 is a prime number.
71 is a prime number. Its only prime factor is 71.