The 2 numbers that multiply together to equal 678 are 6 and 113.
When you multiply two prime numbers together they become factors of the number that they equal. Since the number will have factors other than 1 and itself, the number cannot be prime.
It is prime because only 1 and 71 multiply together to get 71. No other whole numbers multiply to equal 71.
6 and 42
18
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.
-30
20
-127
16 and -3 are the numbers which gives -48 when multiplied and 13 when added
When you multiply two prime numbers together they become factors of the number that they equal. Since the number will have factors other than 1 and itself, the number cannot be prime.
The prime numbers that you multiply together to get 150 are 2, 3, 5, and 5.
-17
-936
-117