If p is a positive integer, and r is the units digit of 3^4p×5^5p×6^6p×7^7p then r + 2 is divisible by which of the following?	Pick: A) 2 B) 3 C) 5 D) 7 E) 9
The number will be an even number as it contains 6 as a term in its product, so units digit will be even..   EVEN +2 will be another EVEN and will be div by 2..   2NSWER:2
<result>A</result>
If p is a positive integer, and r is the units digit of 3^4p×5^5p×6^6p×7^7p then r + 2 is divisible by which of the following?