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>> factorial (30) / (factorial (12) * factorial(30-12))
years =
8.6493e + 007
then the command vpa is used to present the exact result.
>> vpa ' factorial (30) / (factorial (12) * factorial(30-12))' 15
years =
86493225.
>> rem(2^134,3)
years =
0
>> factor (18900)
Ans =
2 2 3 3 3 5 5 7
>> factorial (100)
Ans =
9. 3326e + 157
then use the command vpa to present the exact result.
>> vpa ' factorial (100)' 160
Ans =
933262154439441526816992388562667004907159682643816214685929638952175999932299156089414639761
56518286253697920827223758251185210916864000000000000000000000000.
n-5 is the least common multiple of 16, 24, 30 and 32.
>> lcm (lcm (16.24), lcm (30,32))
Ans =
480
then n = 480 + 5 = 485
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