sabamuskan97 sabamuskan97

20-08-2018
Mathematics

contestada

2. Which of the following proves that 209 is NOT a prime number?
a) 209 × 1 = 209
b) 19 × 11 = 209
c) 209 is an odd number
d) 209 is not visible by 2,3,5 and 7.

Respuesta :

neha100 neha100

20-08-2018

the answer is B) 19 × 11 = 209

coz A prime number is a whole number greater than 1 whose only factors are 1 and itself.

but here it is a multiple of 11 and 19 ....

so its proved

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