Watch PRIME or COMPOSITE ? Check in 10 Seconds in New Channel | Channify

Shortcuts to do calculations mentally, useful for developing numerical aptitude and for success in competitive examinations....here is an interesting method to check whether a given number is prime or composite.....too good for all junior students and for competitive exams.....for more such interesting videos, keep visiting: https://www.youtube.com/channel/UCXJhrvWgd1v3jb8X1SZfcOg For more free videos, visit: http://sureshaggarwal.com For business enquiries, e-mail: [email protected] For online classes and doubts, Whats App: +91 9896369963