Factors / Factors of 307

Factors of 307

1, 307

307 is prime: only factor pair is (1, 307), confirmed by trial division up to √307 ≈ 17.5 turning up nothing else. 307's full pair list is (1, 307), for 2 divisors in total. 307's divisors other than 307 itself sum to just 1, 306 below 307: the common deficient case. 307 is odd, digit sum 10 for 307; none of 2-12 divide 307 evenly. 307 has 2 divisors; 306 has 12 and 308 has 12, so 306 wins here. 307 divided by its largest divisor, 1, gives 307.