Is 373 a prime number?

Prime Number Checker
Number

Is 373 a prime or composite number?

Answer

Number 373 is a Prime

373 has exactly two divisors — 1 and 373 — so it is a prime.

Primes up to √373

19² = 361 ≤ 373 < 400 = 20², so it is enough to try primes up to 19

  • ÷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

none of the 8 primes up to 19 divides 373 — 373 is prime

Nearest primes: 367 and 379

Related Calculations

See Also

Prime numbers list

NumberIs Prime
351No: 3³ × 13
353Yes
354No: 2 × 3 × 59
355No: 5 × 71
357No: 3 × 7 × 17
359Yes
361No: 19²
363No: 3 × 11²
364No: 2² × 7 × 13
365No: 5 × 73
367Yes
369No: 3² × 41
370No: 2 × 5 × 37
371No: 7 × 53
372No: 2² × 3 × 31
373Yes
375No: 3 × 5³
376No: 2³ × 47
377No: 13 × 29
379Yes
381No: 3 × 127
383Yes
384No: 2⁷ × 3
385No: 5 × 7 × 11
387No: 3² × 43
388No: 2² × 97
389Yes
391No: 17 × 23
394No: 2 × 197
395No: 5 × 79

FAQ

Is 373 a prime or composite number?

Number 373 is a Prime

How many factors are in a number 373?

2

How to check if 373 is prime?

Divide 373 by the primes in order: 19² = 361 ≤ 373 < 400 = 20², so it is enough to try primes up to 19. None of the 8 primes up to 19 divides 373, so 373 is prime.

See Also