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What is the least whole number that has exactly 7 factors including 1 and itself?

User Sanjuro
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No number has exactly 7 factors including one and itself.
User Svenyonson
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5 votes

Answer:

64

Explanation:

Pairs: (1,64), (2, 32), (4, 16), (8, 8)

Note: 8 only counts as 1 factor (not 2)

Factors: 1, 2, 4, 8, 16, 32, 64

count them and you get 7 factors

User Lmonninger
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