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Factors of 987

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What are the Factors of 987?

Answer

Factors of 987:

1, 3, 7, 21, 47, 141, 329, 987

8 factors · 987 = 3 × 7 × 47 · composite

Underlined — prime: 3, 7, 47 · 1 — neither prime nor composite · others — composite

Factor pairs of 987

4 pairs: 1 × 987 · 3 × 329 · 7 × 141 · 21 × 47

Past √987 ≈ 31.42 every pair would repeat one already found — so checking stops at 31.

987 = 3 × 7 × 47 → (1 + 1) × (1 + 1) × (1 + 1) = 8 factors: add 1 to each exponent and multiply.

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See Also

Prime Number Checker - Find out whether a given number is Prime or not
Prime Factorization - Prime Factorization Calculator
Prime Numbers List - List of all Prime Numbers - how many Prime numbers are between

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Factors of 987. Factors of 987: full list and factor pairs.

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Factors Table

Number	Factors
972	1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972
973	1, 7, 139, 973
974	1, 2, 487, 974
975	1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975
976	1, 2, 4, 8, 16, 61, 122, 244, 488, 976
977	1, 977
978	1, 2, 3, 6, 163, 326, 489, 978
979	1, 11, 89, 979
980	1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980
981	1, 3, 9, 109, 327, 981
982	1, 2, 491, 982
983	1, 983
984	1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984
985	1, 5, 197, 985
986	1, 2, 17, 29, 34, 58, 493, 986
987	1, 3, 7, 21, 47, 141, 329, 987
988	1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988
989	1, 23, 43, 989
990	1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
991	1, 991
992	1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992
993	1, 3, 331, 993
994	1, 2, 7, 14, 71, 142, 497, 994
995	1, 5, 199, 995
996	1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996
997	1, 997
998	1, 2, 499, 998
999	1, 3, 9, 27, 37, 111, 333, 999
1,000	1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000
1,001	1, 7, 11, 13, 77, 91, 143, 1001

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FAQ

What are the Factors of 987?

Factors of 987: 1, 3, 7, 21, 47, 141, 329, 987

How many factors does 987 have?

Number 987 has 8 factors

How many Factor Pairs does 987 have?

Number 987 has 4 factor pairs

Is 987 a prime or composite number?

Composite: 987 = 3 × 7 × 47, so it has 8 factors — a prime has exactly two.

How many factors does 987 have excluding 1 and 987?

6: 3, 7, 21, 47, 141 and 329.