answered Parimay sankhya Kise kehte hain Answer 9 people found it helpful profile Primary sankhya use kehte h jo sirf 1 se or khud s divide ho. or Primary number is define as number which is divisible by 1 and itself.. I HOPE IT WILL YOU ☺️☺️ Find Math textbook solutions? Class 5 Class 4 Class 3 Class 2 Class 1 NCERT Class 9 Mathematics