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How would you find the greatest 3-digit number that is divisible by 5 and by 9.Explain your method.?

The lowest common multiple of 5 and 9 is 45 and 11 times 45 is 495 which is the greatest 3 digit number divisible by 5 and 9


How do you find if a number is divisible by 5?

To find if a number is divisible by 5, the digit in the ones place has to be 0 or 5.


How would you find the greatest 3 digit number divisibleby 5 and 9?

To find the greatest 3-digit number divisible by both 5 and 9, we need to find the highest common multiple of 5 and 9 within the range of 100 to 999. The highest common multiple of 5 and 9 is 45. To find the greatest 3-digit number divisible by 45, we divide 999 by 45, which equals 22 with a remainder. Therefore, the greatest 3-digit number divisible by both 5 and 9 is 45 x 22 = 990.


How can you find the greatest 6 digit number divisible by 3 4 and5?

1) Find the least common multiple of 3, 4, and 5. 2) Divide the greatest possible 6-digit number (999,999) by this number. 3) Discard the decimal part, and multiply the result again by this greatest common factor.


What is a 4 digit number divisible by five and nine?

A 4-digit number divisible by both 5 and 9 must be divisible by their least common multiple, which is 45. To find a 4-digit number divisible by 45, we need to find a number that ends in 0 and is divisible by 45. The smallest 4-digit number that fits these criteria is 1005 (45 x 22 = 990, and adding 15 gives us 1005).


What must you do to find out if a number is divisible by 2?

Look at the last digit of the number; if it is even then the number is divisible by 2, otherwise it is not.


What four digit number is divisible by 8 and 9?

Oh, what a delightful little puzzle we have here! To find a four-digit number that is divisible by both 8 and 9, we can look for a number that is divisible by their least common multiple, which is 72. So, let's find a multiple of 72 that is a four-digit number, like 1008. Such a harmonious number, don't you think?


How do you find the divisibility rule for twenty?

If the digit in the tens place is divisible by 2 and the digit in the units place is a 0, then the number is divisible by twenty.


Find the greatest 4 digit number which becomes divisible by 24 and 28 when 100 is added to it?

the greatest 4 digit number=9999. the LCM of 24 and 28=168. dividing (9999 + 100)=10099 by 168 the remainder is 19. the required answer is 9999-19=9980


What is the greatest 4 digit number which is exactly divisible by 40 48 and 60?

First we need to find the L.C.M. of 40, 48 and 60. 40 = 2x2x2x5 48 = 2x2x2x2x3 60 = 2x2x3x5 After taking out common factors, we have L.C.M. = 2x2x2x3x5x2 = 240 To find the greatest 4 digit number which is divisible by 240 we divide 9999 by 240. Remainder = 159 Subtracting this remainder from 9999 we get 9999 - 159 = 9840. So, the required answer is 9840.


What is the largest three digit number divisible by 7?

The largest three-digit number is 999. To find the largest three-digit number divisible by 7, you can divide 999 by 7, which gives approximately 142.714. Multiplying 142 by 7 gives 994, so the largest three-digit number divisible by 7 is 994.


Is 72 divisible by 2?

Yes. 72 divided by 2 is 36. To find out if a number is divisible by 2 look at the last digit of the number. If it is even then the number is divisible by 2. For example 86 the lst digit is 6 which is an even number which means it is divisible by 2. yes, any even number is divisible by two.