663 is a composite number because it has factors other than 1 and itself. It is not a Prime number.
The 8 factors of 663 are 1, 3, 13, 17, 39, 51, 221, and 663.
The factor pairs of 663 are 1 x 663, 3 x 221, 13 x 51, and 17 x 39.
The proper factors of 663 are 1, 3, 13, 17, 39, 51, and 221 or,
if the definition you are using excludes 1, they are 3, 13, 17, 39, 51, and 221.
The prime factors of 663 are 3, 13, and 17.
The 3 distinct prime factors (listing each prime factor only once) of 663 are 3, 13, and 17.
The prime factorization of 663 is 3 x 13 x 17.
NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.
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The LCM of 39 and 17 is 663, which is the multiple of the highest power of prime factors from both numbers (3 x 13 x 17 = 663).
Factors for 442: 1, 2, 13, 17, 26, 34, 221, 442 Factors for 663: 1, 3, 13, 17, 39, 51, 221, 663 Common Factors: 1, 13, 17, 221
There is more than one possible answer. The prime factors of 16 are 2, 2, 2, and 2. It has four prime factors, but only one distinct prime factor. The prime factors of 24 are 2, 2, 2, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 36 are 2, 2, 3, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 40 are 2, 2, 2, and 5. It has four prime factors, but only two distinct prime factors. The prime factors of 54 are 2, 3, 3, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 56 are 2, 2, 2, and 7. It has four prime factors, but only two distinct prime factors. The prime factors of 60 are 2, 2, 3, and 5. It has four prime factors, but only three distinct prime factors. The prime factors of 81 are 3, 3, 3, and 3. It has four prime factors, but only one distinct prime factor. The prime factors of 84 are 2, 2, 3, and 7. It has four prime factors, but only three distinct prime factors. The prime factors of 88 are 2, 2, 2, and 11. It has four prime factors, but only two distinct prime factors. The prime factors of 90 are 2, 3, 3, and 5. It has four prime factors, but only three distinct prime factors.
The prime factors of 336 are: 2,3,7
The factors of 1993 are: 1 1993 The prime factors are: 1993 is a prime number.