There are infinite numbers, but 11* 9 is fine.
99
The prime factorization of 99 is: 3 * 3 * 11 = 99
396
9x11
99*99=9801
no 3 numbers add to equal 10 and multiply to equal 40.
The two numbers you can multiply together to equal 782 are 23 by 34.
The two numbers you multiply together to equal 391 are 17 by 23.
The 2 numbers that multiply together to equal 678 are 6 and 113.
198
1 x 99 = 99 3 x 33 = 99 9 x 11 = 99
Prime factorization of 99 = 3 * 3 * 11