<cfset myArray = [74539,1500285,1334095,1500293,1334096,1500294,1334098,1500295,1334109,1500296,1334110,1500297,1334117,1500298,1334124,1500299,1334138,1500286,1334139,1500287,1334140,1500288,1337768,1500289,1338779,1500290,1338783,1500291,1338801,1500292]>


<cfoutput>
    <cfloop step="2" from="1" to="#arraylen(myArray)#" index="a">
        <cfset currAssignID = myArray[a]>
        <cfset nextAssignID = myArray[a+1]>
        #currAssignID# - #nextAssignID#<br>
    </cfloop>
</cfoutput>