diff --git a/examples/src/benchmarks/kotlin/space/kscience/kmath/benchmarks/BigIntBenchmark.kt b/examples/src/benchmarks/kotlin/space/kscience/kmath/benchmarks/BigIntBenchmark.kt
index e988103dd..21222ddd3 100644
--- a/examples/src/benchmarks/kotlin/space/kscience/kmath/benchmarks/BigIntBenchmark.kt
+++ b/examples/src/benchmarks/kotlin/space/kscience/kmath/benchmarks/BigIntBenchmark.kt
@@ -12,16 +12,17 @@ import org.openjdk.jmh.annotations.Scope
 import org.openjdk.jmh.annotations.State
 import space.kscience.kmath.operations.*
 
+
+private fun BigInt.pow(power: Int): BigInt = modPow(BigIntField.number(power), BigInt.ONE)
+
+
 @State(Scope.Benchmark)
 internal class BigIntBenchmark {
 
     val kmNumber = BigIntField.number(Int.MAX_VALUE)
-    val largeKmNumber = BigIntField {
-        fun BigInt.pow10(): BigInt = power(10, ::multiply)
-        number(11).pow10().pow10().pow10().pow10().pow10()
-    }
     val jvmNumber = JBigIntegerField.number(Int.MAX_VALUE)
-    val largeJvmNumber = JBigIntegerField { number(11).pow(100_000)  }
+    val largeKmNumber = BigIntField { number(11).pow(100_000) }
+    val largeJvmNumber = JBigIntegerField { number(11).pow(100_000) }
     val bigExponent = 50_000
 
     @Benchmark
@@ -41,7 +42,7 @@ internal class BigIntBenchmark {
 
     @Benchmark
     fun kmMultiplyLarge(blackhole: Blackhole) = BigIntField {
-        blackhole.consume(largeKmNumber.let { it * it })
+        blackhole.consume(largeKmNumber*largeKmNumber)
     }
 
     @Benchmark
@@ -51,16 +52,16 @@ internal class BigIntBenchmark {
 
     @Benchmark
     fun jvmMultiplyLarge(blackhole: Blackhole) = JBigIntegerField {
-        blackhole.consume(largeJvmNumber.let { it * it })
+        blackhole.consume(largeJvmNumber*largeJvmNumber)
     }
 
     @Benchmark
     fun kmPower(blackhole: Blackhole) = BigIntField {
-        blackhole.consume(kmNumber.power(bigExponent, ::multiply))
+        blackhole.consume(kmNumber.pow(bigExponent))
     }
 
     @Benchmark
     fun jvmPower(blackhole: Blackhole) = JBigIntegerField {
         blackhole.consume(jvmNumber.pow(bigExponent))
     }
-}
\ No newline at end of file
+}