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655/5 = 131
1, 3, 9, 17, 51, 131, 153, 393, 1179, 2227, 6681, 20043
No, 91 is Not a multiple of 3.An easy way to determine if a number is a multiple or divisible by 3 is to add up all itsdigits and see if the sum is divisible by three.For example: 321 , 3 + 2 + 1, Therefore 321 is divisible by 3 or a multiple of 3.Unlike the number 131, 1 + 3 + 1, whose digits sum up to 5, which isn't divisible by 3.So therefore, 91 is 9+1 Therefore 91 is not a multiple of 3.Hope we helped!
3,537 = 3 * 3 * 3 * 131 or 33 * 131
Yes, if x is an integer divisible by 3, then x^2 is also divisible by 3. This is because for any integer x, x^2 will also be divisible by 3 if x is divisible by 3. This can be proven using the property that the square of any integer divisible by 3 will also be divisible by 3.