51 is a composite number but 61 is a Prime number
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ANSWER: 61 is a prime number but 51 is a composite number.61 is a prime number because the factors of 61 are 1 and itself (61).51 is a composite number because the factors of 51 other 1 and itself (51) are 3 and 17.
51 = 3x17
33 = 3 x 11 51 = 3 x 17 41 prime 61 prime
61 and 71 are prime numbers the rest are composite numbers
The prime numbers between 51 and 80 are: 53, 59, 61, 67, 71, 73 and 79
51 composite, 61 prime.
ANSWER: 61 is a prime number but 51 is a composite number.61 is a prime number because the factors of 61 are 1 and itself (61).51 is a composite number because the factors of 51 other 1 and itself (51) are 3 and 17.
61 is a prime number. 49 is not a prime number as it is divisible by 7. 51 is not a prime number as it is divisible by 3.
51 = 3x17
17 and 61
33 = 3 x 11 51 = 3 x 17 41 prime 61 prime
61 and 71 are prime numbers the rest are composite numbers
37 = prime 47 = prime 51 = 17 x3 61 = prime
The prime numbers in the range 51 - 70 are 53, 59, 61 and 67.
The prime numbers between 51 and 80 are: 53, 59, 61, 67, 71, 73 and 79
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.
61, 23, 97, 41, 67 yes. 51, 93, 39, no.