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Earn +20 ptsQ: What is the largest 9 digit prime number?
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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 is the largest 3 digit number in base 9?
It is 888 which, in decimal equivalent, is 728.
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