diff --git a/utils/src/chunked_polynomial.rs b/utils/src/chunked_polynomial.rs
index 86f64a6b3cf..7bc8a575c3c 100644
--- a/utils/src/chunked_polynomial.rs
+++ b/utils/src/chunked_polynomial.rs
@@ -42,7 +42,7 @@ impl<F: Field> ChunkedPolynomial<F> {
             scale *= zeta_n;
         }
 
-        while coeffs.last().map_or(false, |c| c.is_zero()) {
+        while coeffs.last().is_some_and(|c| c.is_zero()) {
             coeffs.pop();
         }
 
diff --git a/utils/src/foreign_field.rs b/utils/src/foreign_field.rs
index fb05f4eb0db..8da5773c43d 100644
--- a/utils/src/foreign_field.rs
+++ b/utils/src/foreign_field.rs
@@ -77,7 +77,7 @@ impl<F: Field, const B: usize, const N: usize> ForeignElement<F, B, N> {
     /// Obtains the big integer representation of the foreign field element
     pub fn to_biguint(&self) -> BigUint {
         let mut bytes = vec![];
-        if B % 8 == 0 {
+        if B.is_multiple_of(8) {
             // limbs are stored in little endian
             for limb in self.limbs {
                 let crumb = &limb.to_bytes()[0..B / 8];
@@ -91,7 +91,7 @@ impl<F: Field, const B: usize, const N: usize> ForeignElement<F, B, N> {
                 bits.extend(&f_bits_lower);
             }
 
-            let bytes_len = if (B * N) % 8 == 0 {
+            let bytes_len = if (B * N).is_multiple_of(8) {
                 (B * N) / 8
             } else {
                 ((B * N) / 8) + 1
@@ -108,7 +108,7 @@ impl<F: Field, const B: usize, const N: usize> ForeignElement<F, B, N> {
     /// elements of type `F` in little-endian. Right now it is written
     /// so that it gives `N` (limb count) limbs, even if it fits in less bits.
     fn big_to_vec(fe: BigUint) -> Vec<F> {
-        if B % 8 == 0 {
+        if B.is_multiple_of(8) {
             let bytes = fe.to_bytes_le();
             let chunks: Vec<&[u8]> = bytes.chunks(B / 8).collect();
             chunks
diff --git a/utils/src/math.rs b/utils/src/math.rs
index b7781fdccf4..7705fb4c346 100644
--- a/utils/src/math.rs
+++ b/utils/src/math.rs
@@ -19,5 +19,5 @@ pub fn ceil_log2(d: usize) -> usize {
 
 /// This function is bound to be stable soon. See <https://github.com/rust-lang/rust/issues/88581>
 pub fn div_ceil(a: usize, b: usize) -> usize {
-    (a + b - 1) / b
+    a.div_ceil(b)
 }