-21
36 is twice the product of its digits multiplied. 3 times 6 equals 18, and 18 times 2 equals 36.
-89
the half 7500
multiplicand times multiplier equals product
Using the digits, we can make 81 x 62 equals 5022, which is the largest possible product.
36 is twice the product of its digits multiplied. 3 times 6 equals 18, and 18 times 2 equals 36.
196, 198, 202, 204
multiplier times multiplicand equals product or multiplicand times multiplier equals product
4 & 5
Multiplicand times multiplier equals product
-89
the half 7500
A positive number.
A multiplication problem that equals 42 using the digits 1, 2, 3, 4, 5, 6, 7, 8, and 9 is (6 \times 7 = 42). Both 6 and 7 are composed of digits from the set, and their product equals 42.
It appears that only single digit numbers work (0 thru 9)
Any prime numbers of about 66 or 67 digits will do.
24, 6