Question

mr. Nolan's code for ATM card is a four digit number. the digits of the code are prime factors of 84 listed from least to greatest. what is the code for mr. Nolan's ATM card ​

Answer 1

84/2= 42, 42/7= 6, 6/3= 2

84 = 2 x 2 x 3 x 7

ATM card = 2237