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Is 144 an odd number

Updated: 9/18/2023
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13y ago

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No, 144 is not an odd number

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Q: Is 144 an odd number
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Related questions

Is 144 a n odd or even number?

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 144 is an even number.


Does 144 have an odd number of factors?

Yes.


How do you know that 144 has an even or odd number of factors without finding each one?

Express the number in its prime factorisation in power format. The number of factors of the number is the product of the powers each increased by 1. 144 = 2^4 × 2^2 → number of factors is (4+1) × (2+1) = 3×5 = 15; so 144 has an odd number of factors. As an even number times an even or odd number is even, the only way the product above can be odd is if every power increased by 1 is odd, that is only if every prime is to an even power. By using the laws of indices, this means the power of every prime can be divided by 2 and the whole prime factorisation so created raised to the power 2 which is squared, eg for 144: 2^4 × 3^2 = (2^2 ×3^1)². Thus for a number to have an odd number of factors it must be a perfect square. 144 is a perfect square (144 = 12²) therefore it has an odd number of factors. This result that only perfect squares have an odd number of factors can also be seen by looking at the factor pairs of a number: the factors of a number can be paired up so that when the numbers of a pair are multiplied together they get the original number. If there is an odd number of factors then after the pairing there will be one factor left unpaired, but as it is a factor of the original number it must have a pair. Therefore the only pair possible is with itself, ie the number is this factor squared and the number is a perfect square. for example: for 144, the factors are: {1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144} which can be paired as: {1, 144}, {2, 72}, {3, 48}, {4, 36}, {6, 24}, {8, 18}, {9, 16} leaving the factor 12 unpaired, so it must pair with itself as {12, 12} which means 144 = 12² and is a perfect square (with an odd number of factors).


What are the three greatest whole numbers less than 200 such that each number has an odd number of factors?

The three greatest whole numbers less than 200 that each have an odd number of factors are 144, 169 and 196.


3 greatest whole numbers less than 200 such that each has an odd number of factors?

196, 169, 144


What are the three greatest whole numbers numbers less than 150 that have an odd number of factors?

144, 121 and 100


Number is the odd one out 16 49 81 100 144 729 1296 3764?

3764. The rest are perfect squares.


Is 27 an odd number or even number?

27 is an odd number.


An odd number minus an odd number?

An odd number minus an odd number is an even number.


What happens when you subtract a odd number and an odd number?

when an odd number is subtracted from an odd number the answer is an even number.


Is 144 a triangular number?

144 is a square number, not a triangular number.


the number 5 is?

odd