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    Is 673 a prime number?

    Prime Number Checker
    Number

    Is 673 a prime or composite number?

    Answer

    Number 673 is a Prime

    673 has exactly two divisors — 1 and 673 — so it is a prime.

    Primes up to √673

    25² = 625 ≤ 673 < 676 = 26², so it is enough to try primes up to 25

    • ÷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 25 divides 673 — 673 is prime

    Nearest primes: 661 and 677

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    Is 673 a prime number? Is 673 a prime number? 673 is a prime number. Check if any number is prime or composite with our free online prime checker.
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    Prime numbers list

    NumberIs Prime
    651No: 3 × 7 × 31
    652No: 2² × 163
    653Yes
    659Yes
    660No: 2² × 3 × 5 × 11
    661Yes
    662No: 2 × 331
    663No: 3 × 13 × 17
    665No: 5 × 7 × 19
    666No: 2 × 3² × 37
    667No: 23 × 29
    668No: 2² × 167
    669No: 3 × 223
    671No: 11 × 61
    672No: 2⁵ × 3 × 7
    673Yes
    674No: 2 × 337
    675No: 3³ × 5²
    677Yes
    678No: 2 × 3 × 113
    679No: 7 × 97
    681No: 3 × 227
    683Yes
    684No: 2² × 3² × 19
    689No: 13 × 53
    690No: 2 × 3 × 5 × 23
    691Yes
    693No: 3² × 7 × 11
    694No: 2 × 347
    697No: 17 × 41

    FAQ

    Is 673 a prime or composite number?

    Number 673 is a Prime

    How many factors are in a number 673?

    2

    How to check if 673 is prime?

    Divide 673 by the primes in order: 25² = 625 ≤ 673 < 676 = 26², so it is enough to try primes up to 25. None of the 9 primes up to 25 divides 673, so 673 is prime.

    See Also