0.0131
21.7857
0.0393
61
The square root of 610 lies between 24 and 25.
152.5
LCM of two numbers = their product divided by their HCF. The HCF of 64 and 610 is only 2 so the LCM is 64 x 610/2 ie 19520.
25
25
0.3125
610 divided by 5 = 22 times 3 = 666
Not evenly, 1,221 divided by 2 equals 610 with a remainder of 1.