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diff --git a/julia/010-summation_of_primes.jl b/julia/010-summation_of_primes.jl
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+###
+# Summation of primes
+# Problem 10
+#
+# The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.
+# Find the sum of all the primes below two million.
+###
+
+function eratosthenes_sieve(stop)
+    ns = Array(reverse(2:stop))
+    primes = []
+    while true
+        prime = pop!(ns)
+        push!(primes, prime)
+        if prime > ceil(sqrt(stop))
+            return append!(primes, ns)
+            break
+        end
+        ns = filter(n -> n % prime != 0, ns)
+    end
+end
+
+println(sum(eratosthenes_sieve(2_000_000 - 1)))