They are: 1*83 = 83
There are none. The only factors of 249 are 1, 3, 83, 249.
83+7=90 and 83 and 7 are primes
They are: 83+2 = 85
3 and 13.
To multiply two digit decimal numbers, multiply the numbers as you would without the decimals. To put the decimal in the answer, count the number of decimal places in the two numbers and put the decimal in the answer that many places to the left. For example: 5.12 x 6.35 = 32.5120. If the numbers were 51.2 x 63.5, the answer would be 3251.20.
1 x 83, 83 x 1
83 is a prime number so the only two numbers you can multiply to get it are 1 and 83.
83
83
1 x 166, 2 x 83
245
83
83
1 x 83 = 83. Eighty three is a prime number.
When you multiply two numbers, you get the product
There are none. The only factors of 249 are 1, 3, 83, 249.
223 and 21 if you multiply them. 9366 and 2 if you divide them. 4600 and 83 if you add them. 4686 and 3 if you subtract them.