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.

Question

Mathematics

Colt Hendricks

3 February, 02:37

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.

+5

Answers (1)

Know the Answer?

Felicity Crane · Answer 1

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

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

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.