9409
The diference between the highest 4 digit number and the lowest 3 digit number is 9999 Highest 4 digit: 9999 Lowest 3 digit: 000
999
999
The largest one digit number that has three factors is 9. Its factors are 1, 3, and 9.
The highest six-digit number divisible by 3, 4, and 5 is 999960.
99 is not a prime because it can be divisible by 3 and 33
240
In the highest place value.
840
The one digit number that has the same number of factors as the number six is three. Six's factors are 1, 2, 3, and 6 while three's factors are 1 and 3. Therefore, both numbers have the same number of factors.
The greatest product you can achieve by multiplying a 3-digit number by a 1-digit number is 9720, which comes from multiplying 972 (the largest 3-digit number less than 1000 when divided by 9) by 9 (the largest 1-digit number). Thus, the factors are 972 and 9.
512 has 9 prime factors