Beneficiary RMD math turns on death date and required beginning date
A 2026 death gives a non-eligible designated beneficiary a 10-year window running 2027 through 2036.
32.5 factorAge-50 stretch divisor: 32.5 in year 1, then 1.0 lower each year · IRS Single Life Expectancy Table via Ed Slott's IRAHelp