Factors for 12 are: 1, 2, 3, 4, 6, 12
Factors for 18 are: 1, 2, 3, 6, 9, 18
Out of these 2 and 3 are the prime factors.
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The factors of -18 are 1, 2, 3, 6, 9, 18 and their negative counterparts. The prime factors are 2 and 3.
Yes, 12 has prime factors. The prime factors of 12 are 2, 2, and 3, so the distinct prime factors are 2 and 3. Almost all integers have prime factors. The integers without prime factors are -1, 0, and 1.
The factors of -72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 and their negatives. The prime factors are 2 and 3.
The factors of 18 are 1, 2, 3, 6, 9, and 18. The prime factors are 2 x 3 x 3. 18 is a composite number.
The factors of -12 are 1, 2, 3, 4, 6, 12 and their negatives. The prime factors are 2 and 3.