Is 972 a prime number?

Prime Number Checker
Number

Is 972 a prime or composite number?

Answer

Number 972 is not a Prime

972 = 2² × 3⁵

972 has 18 divisors, not two: a prime is divisible only by 1 and itself.

Primes up to √972

31² = 961 ≤ 972 < 1,024 = 32², so it is enough to try primes up to 31

  • ÷2 divides

972 ÷ 2 = 486 — 2 divides 972, so 972 is composite

Nearest primes: 971 and 977

Related Calculations

See Also

Prime numbers list

NumberIs Prime
949No: 13 × 73
952No: 2³ × 7 × 17
953Yes
955No: 5 × 191
956No: 2² × 239
958No: 2 × 479
961No: 31²
962No: 2 × 13 × 37
963No: 3² × 107
964No: 2² × 241
966No: 2 × 3 × 7 × 23
967Yes
968No: 2³ × 11²
970No: 2 × 5 × 97
971Yes
972No: 2² × 3⁵
973No: 7 × 139
977Yes
978No: 2 × 3 × 163
979No: 11 × 89
980No: 2² × 5 × 7²
981No: 3² × 109
982No: 2 × 491
983Yes
986No: 2 × 17 × 29
987No: 3 × 7 × 47
988No: 2² × 13 × 19
989No: 23 × 43
990No: 2 × 3² × 5 × 11
991Yes

FAQ

Is 972 a prime or composite number?

Number 972 is not a Prime

How many factors are in a number 972?

18

How to check if 972 is prime?

Divide 972 by the primes in order: 31² = 961 ≤ 972 < 1,024 = 32², so it is enough to try primes up to 31. The first one that divides it is 2: 972 ÷ 2 = 486, so 972 is composite.

See Also