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What is the Largest 1-digit composite number?
9
What is the largest 1 digit number with 3 factors?
9 (1,3,and9)
What prime number can you make out of 0123456789?
Every 9-digit combination of those numbers is a multiple of 3. None of them will be prime.
What is the ratio of the number of one-digit prime numbers and the number of one-digit composite numbers?
The ratio of the number of one-digit prime numbers to the number of one-digit composite numbers is one to one. The one-digit prime numbers are 2, 3, 5, and 7. The one-digit composite numbers are 4, 6, 8, and 9. Therefor, the ratio is 4:4, which simplifies to 1:1.
What three digit number has the most factors?
Using prime factorization, there are 2 three digit numbers with 9 factors: 512 and 768. There are no three digit numbers with 10 or more prime factors. 512=2^9 and 768=3*2^8
What is the largest composite digit?
The largest single digit composite number is 9. The largest prime number is 17 million digits long. The definition of a composite number is any number that has at least one positive divisor other than one or the number itself (it is not a prime number). The largest composite digit is therefore longer than the largest prime number by at leaf +1.
What is the largest one-digit number and the largest two digit number?
9 and 99
What is the greatest 8 digit even number using prime digits?
To be an even number then the final digit = 2. The largest single prime digit is 7 (as both 8 and 9 are composite). The greatest even number fulfilling the conditions is 77777772.
What is the sum of the largest one-digit number and the largest two-digit number?
99 + 9 = 108
One-digit even number that is prime?
2, is the only one-digit even number that is a prime number.
What is the largest digits whole number?
The largest digit is 9.
What is the largest one-digit number?
9
Which is the largest number of 1 digit?
It is 9.
What is the largest one digit number that has 3 factors?
The largest one digit number that has three factors is 9. Its factors are 1, 3, and 9.
What is the largest 3 digit number which has a digit sum of 9?
300
What is the largest 5 digit number divisible by 11?
The largest 5 digit number is 99999. If this is divided by 11 it leaves a remainder of 9. Therefore the largest 5 digit number divisible by 11 is 99999 - 9 = 99990.
What is three digit number with 2 and 9 as prime factors?
9 isn't prime, but one three-digit multiple of 18 is 108.
