One.
Just 1.
You need at least two numbers to find a GCF. If that's 12 and 8, the GCF is 4.
Well, isn't that just a happy little question! The greatest perfect square of 1290 is 36, because 36 x 36 equals 1296, which is the closest perfect square to 1290. It's all about finding the beauty in numbers and appreciating the little surprises they bring.
1290 doesn't have any factors that are perfect squares other than 1.
It is: 25
1,290 is not a perfect square. The approximate square root is ± 35.916569992136
1290 = 2 x 3 x 5 x 43
40% of 1290= 40% * 1290= 0.4 * 1290= 516
1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290.
No. It would be estimated to 1300.
1294