Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {25, 13, 19, 7, 27, 17} → ______
- Prime numbers in {13, 3, 25, 15, 19, 21} → ______
- Prime numbers in {7, 27, 12, 2, 17, 8} → ______
- Prime numbers in {25, 29, 7, 19, 2, 13} → ______
- Prime numbers in {29, 3, 27, 12, 15, 7} → ______
- Prime numbers in {13, 21, 25, 12, 27, 9} → ______
- Prime numbers in {25, 21, 15, 27, 17, 8} → ______
- Prime numbers in {19, 13, 23, 2, 25, 5} → ______
- Prime numbers in {23, 8, 17, 21, 12, 15} → ______
- Prime numbers in {27, 25, 2, 5, 7, 21} → ______
- Prime numbers in {11, 25, 23, 7, 15, 3} → ______
- Prime numbers in {3, 9, 27, 12, 21, 13} → ______
- Prime numbers in {13, 27, 15, 23, 3, 5} → ______
- Prime numbers in {21, 27, 11, 17, 15, 5} → ______
- Prime numbers in {13, 12, 29, 21, 11, 2} → ______
- Prime numbers in {8, 9, 25, 27, 13, 2} → ______
- Prime numbers in {9, 23, 27, 2, 17, 12} → ______
- Prime numbers in {25, 17, 13, 21, 9, 8} → ______
- Prime numbers in {15, 2, 21, 19, 8, 5} → ______
- Prime numbers in {25, 23, 19, 9, 17, 7} → ______