78
The factors of 121 are: 1, 11, 121
one,two
Apart from 1, all of the other factors of 72 are multiples of prime factors.
2 x 72 = 144
Twelve factors.
There are two prime factors of 72: 2 and 3.
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Eight factors.
There are only 2 prime factors for 72. They are 2 and 3, since 72 = 2X2X2X3X3. Therefore, the 2 prime factors for 72 are 2 and 3.
78
Five factors.
12 factors: 1 2 3 4 6 8 9 12 18 24 36 72.
37 has two factors
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The factors of 121 are: 1, 11, 121
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