1 x 21
3 x 7
7 x 3
21 x 1
None
30x1 15x2 10x3
7 multiplied by 3 equals 21. Multiplication is a mathematical operation that combines groups of equal numbers to find a total quantity. In this case, you are taking 7 groups of 3 and finding the total quantity, which is 21. The multiplication symbol "x" is used to represent this operation.
If you are talking about factors, 1 and 61, because 61 is a prime number.
As a product of its prime factors: 2*3*3*5 = 90
None
21x1 and 3x7
22x111x21x222x11
30x1 15x2 10x3
10*4=40
-2 x 3
1 times 4
1*114 = 114 is one such fact.
1 x 25, 5 x 5.
There are infinitely many facts. Some of these are: 1 * 10 100 * 0.2 50 * 0.4
1 and 98 2 and 49 7 and 14
Product of its prime factors are: 3*3*5 = 45