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Q: Is 140 a prime number

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Prime factors of 140=2x2x5x7.

No. 140 isn't prime. The prime factorization of 140 is 2 x 2 x 5 x 7

composite

141

140

140

140 is a composite number because it is an even number greater than 2.

149 is the only prime number betweeen 140 and 150.

It is: 2*2*5*7 = 140 by dividing it by each prime number that has no remainder

It is 7 because as a product of its prime factors: 2*2*5*7 = 140 or as 22*5*7 = 140

7 since 7 goes into 63 and 140 evenly and 7 is a prime.

That is easy, 140 is prime.

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