SAT Math : How to find out if a number is prime

Sum of natural numbers from 1 to 100 123 100 1^2 + 2^2 + 3^2 + +100 = ……………… · arithmetic progression · class-10 123 100 Cards on which numbers 1,2,3 , 100 are written (one number on ore card and no number is square number A prime number less than

123 100 1 to 10 Spanish numbers 1-10 Numeral, In Spanish, Pronunciation 0, cero, sey-roh 1, uno, oo-no 2, dos, dohs 3, tres, trehs 4, cuatro, koo-ah-troh 5