Question 1
How many different prime divisors does $(2019-2018)\times(2019-2017)\times\cdots\times(2019-2012)\times(2019-2011)$ have?
IMAS 2018 — Upper Primary Grades 5–6 — Round 2 Question 1
IMAS · IMAS 2018 — Upper Primary Grades 5–6 — Round 2
IMAS · IMAS 2018 — Upper Primary Grades 5–6 — Round 2