Is 773 a prime number?

Prime Number Checker
Number

Is 773 a prime or composite number?

Answer

Number 773 is a Prime

773 has exactly two divisors — 1 and 773 — so it is a prime.

Primes up to √773

27² = 729 ≤ 773 < 784 = 28², so it is enough to try primes up to 27

  • ÷2 does not divide
  • ÷3 does not divide
  • ÷5 does not divide
  • ÷7 does not divide
  • ÷11 does not divide
  • ÷13 does not divide
  • ÷17 does not divide
  • ÷19 does not divide
  • ÷23 does not divide

none of the 9 primes up to 27 divides 773 — 773 is prime

Nearest primes: 769 and 787

Related Calculations

See Also

Prime numbers list

NumberIs Prime
739Yes
741No: 3 × 13 × 19
742No: 2 × 7 × 53
743Yes
748No: 2² × 11 × 17
750No: 2 × 3 × 5³
751Yes
755No: 5 × 151
756No: 2² × 3³ × 7
757Yes
759No: 3 × 11 × 23
761Yes
767No: 13 × 59
769Yes
771No: 3 × 257
773Yes
775No: 5² × 31
776No: 2³ × 97
777No: 3 × 7 × 37
779No: 19 × 41
783No: 3³ × 29
785No: 5 × 157
787Yes
790No: 2 × 5 × 79
791No: 7 × 113
795No: 3 × 5 × 53
797Yes
801No: 3² × 89
803No: 11 × 73
809Yes

FAQ

Is 773 a prime or composite number?

Number 773 is a Prime

How many factors are in a number 773?

2

How to check if 773 is prime?

Divide 773 by the primes in order: 27² = 729 ≤ 773 < 784 = 28², so it is enough to try primes up to 27. None of the 9 primes up to 27 divides 773, so 773 is prime.

See Also