Factors / Factors of 67

Factors of 67

1, 67

67 is prime: only factor pair is (1, 67), confirmed by trial division up to √67 ≈ 8.2 turning up nothing else. 67's full pair list is (1, 67), for 2 divisors in total. 67's divisors other than 67 itself sum to just 1, 66 below 67: the common deficient case. 67 is odd, digit sum 13 for 67; none of 2-12 divide 67 evenly. 67 has 2 divisors; 66 has 8 and 68 has 6, so 66 wins here. 67 divided by its largest divisor, 1, gives 67.