Which of the following numbers is a prime number?
Given:
Numbers given are 143, 137, 141, 133
Formula Used:
Prime numbers are numbers which cannot be divided by another number and can only be divided by number itself.
Solution:
Checking the numbers for prime numbers;
Number 143 is divisible by 11
Number 141 is divisible by 3 and 47
Number 133 is divisible by 19 and 7
Number 137 is not divisible by any number
Hence option(b) is correct
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishFour prime numbers are arranged in ascending order. The product of first three numbers is 255 and the product of last three numbers is 1955. The largest prime number is
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