Numbers

# What is the largest triangle number that is less than 1000?

123

###### 2013-02-19 11:50:52

A triangle number has the form n(n+1)2 for some positive integer n.

then when you substitute n=44 then it is 990 which is largest triangular number before hundred.

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## Related Questions

The largest prime number less than 1000 is 997.The largest prime number no less than 1000 is currently 257,885,161-1

1000 &divide; 8 = 125 &rarr; largest less than 1000 divisible by 8 is 124 x 8 = 992

Start with 1000 and work back, rejecting any composites that you find.

Pick out the largest number, and check whether it is less than the sum of the other two numbers. If it is less, then you can. If it is greater or equal, then you can't.

67 will be the largest prime number less than 70.

10 less than 1000 = 1000 minus 10 = 990

9797 is the largest prime number less than 100.

The smallest multiple of any number is the number itself.The largest multiple of 13 that is less than 1,000 is 988 = 13 x 76

It is a whole number that is 1000 less than zero.

Perfect squares have an odd number of factors. There are 31 perfect squares less than 1000.

Every number that's less than 1,000 but not less than 999.95 would do that. There are an infinite number of them.

No, it is not. A triangle is a two-dimensional figure whereas pi is a dimension-less number.

Yes. An angle of a triangle can be any number greater than 0 and less than 90 in degrees.

989. If there is a remainder of 2 when divided by 3, the number is one less than a multiple of 3. If there is a remainder of 4 when divided by 5, the number is one less than a multiple of 5. Thus the number required is one less than a multiple of the lowest common multiple of 3 and 5 (that is 15). So what is needed is an even multiple of 15 less than or equal to 1000: 1000 &divide; 15 = 662/3 Thus the highest even multiple of 15 not greater than 1000 is 66 x 15 = 990, and the required number is 989.

The lowest prime number that is less than 37 is 29.

The largest prime number less than 50 is 47.

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