how many numbers less than 100 will have exactly 10 factors ?
Answers
Answered by
2
Answer:
I think 10 is the answer
Answered by
1
Only 48 and 80. So two numbers
Step-by-step explanation:
Number of factors = 10 = 2 * 5
(a+1)(b+1) = 2 * 5
So a=1; b=4
Prime numbers power 1 & 4
2 * 3⁴ = 162 > 100
2⁴ * 3 = 48
2⁴ * 5 = 16 * 5 = 80
So only 48 and 80 have exactly 10 factors
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