Question

i am a 6-digit number greater than 700,000.my hundred thousands digit is twice my ones digit,my thousands digit,and my hundreds digit.my remaining digits are the same-a prime number greater than 5

Answer 1

just start filling in the blanks. Start with
xxxxxx

<u>greater than 700,000</u>. The choices are
7xxxxx
8xxxxx
9xxxxx

<u>my hundred thousands digit is twice my ones digit, my thousands digit,and my hundreds digit</u>. So, the 1st digit must be even, leaving
8x44x4

<u>my remaining digits are the same-a prime number greater than 5</u>
874474