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Q: Why isn't a 135 not a prime number?

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Composite

A Prime number is a number that is not divisible into whole numbers, except by itself and one. 135 is not a prime number as it is divisible by 5 with a ressulting quotient of 27.

Composite

A prime number is a number that is not divisible into whole numbers, except by itself and one. 135 is not a prime number as it is divisible by 5 with a ressulting quotient of 27.

because this number is not divisible by 2

As a product of its prime factors: 3*3*3*5 = 135 or as 33*5 = 135

3x3x3x5 are prime factors of the number 135

One.

39 is not a prime number because it has four factors: 1,3,13,39 and because prime number are numbers who has 2 factors.

There is no work. The only prime number ending in 5 is 5.

9 times 11 is 99. A prime is a number whose factors are one and itself.

LCM of 27 & 5 = 27 x 5 = 135. LCM of a prime number and a composite number is equal to their product if the composite number is not a multiple of the prime number.

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