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Is 972 a prime number?

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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

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See Also

Factors of a Number - List all Factors and Factor Pairs of a Number
Prime Factorization - Prime Factorization Calculator
Prime Numbers List - List of all Prime Numbers - how many Prime numbers are between

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Is 972 a prime number? Is 972 a prime number? 972 is a composite number. Check if any number is prime or composite with our free online prime checker.

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Prime numbers list

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

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.