They are: 1*12 = 12, 2*6 = 12 and 3*4 = 12
7
7
There are 8 different pairs of whole numbers whose prodcut is 40. Allowing for commutativity (a*b = b*a), there are 16 possible ways.
51
An infinite number.
-21
Three pairs of integers alone have this property: 12 and 1; 2 and 6; and 3 and 4. There are infinitely many non-integer pairs also.
There are infinitely many such product pairs.
There are 8 different pairs of whole numbers whose prodcut is 40. Allowing for commutativity (a*b = b*a), there are 16 possible ways.
2,000,000,000,000
100
51
20 of them
4, if you multiply them.
The prime factors of 333 are 3,3 and 37 Thus the pairs of whole numbers that go into 333 are: 1 and 333 3 and 111 9 and 37 There are 3 pairs.
There are infinitely many pairs. One such is 1 and 98.
There are infinitely many pairs. One such is 288 and -1.
An infinite number.
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