No. It is divisible by 2.
No, 166 is even and 2 is the only even prime number.
I think composite. (:
The factors of 166 are: 1 2 83 166 The prime factors are: 2 x 83
81 is not prime. Its prime factorization is 3x3x3x3.
166 is a composite number. A prime number has exactly 2 factors, 1 and the number itself. All even numbers greater than 2 (numbers ending in 2, 4, 6, 8, or 0) are composites because they have more than 2 factors.
21 x 831 = 166
The prime factorization is 2 * 83
The factors of 166 are 1, 2, 83 and 166 whereas 2 and 83 are prime factors
The number "167" comes from mathematics. It is a natural that precedes 168 and follows 166. It is regarded as a "Chen prime" number in the field of mathematics.
1 664 332 166 83 and any other number that divides into it equally giving a WHOLE number result.
Factors: 1,166,2,83 Prime factors: 2, 83
I divide 166 by 2 and get 83. I then do some tests and determine that 83 is prime, so 2 x 83 = 166.