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 {13, 2, 7, 23, 11, 21} → ______
- Prime numbers in {9, 23, 17, 12, 25, 8} → ______
- Prime numbers in {17, 29, 13, 25, 5, 2} → ______
- Prime numbers in {13, 21, 25, 7, 15, 2} → ______
- Prime numbers in {27, 9, 23, 11, 2, 8} → ______
- Prime numbers in {12, 13, 29, 19, 8, 7} → ______
- Prime numbers in {2, 19, 27, 5, 13, 7} → ______
- Prime numbers in {3, 5, 2, 17, 27, 25} → ______
- Prime numbers in {27, 9, 17, 25, 15, 21} → ______
- Prime numbers in {9, 21, 2, 12, 8, 5} → ______
- Prime numbers in {7, 21, 12, 29, 9, 5} → ______
- Prime numbers in {2, 11, 8, 15, 17, 9} → ______
- Prime numbers in {21, 9, 13, 19, 2, 15} → ______
- Prime numbers in {25, 8, 19, 17, 15, 13} → ______
- Prime numbers in {21, 29, 5, 8, 27, 13} → ______
- Prime numbers in {23, 7, 8, 25, 3, 27} → ______
- Prime numbers in {7, 9, 12, 25, 8, 11} → ______
- Prime numbers in {23, 7, 3, 13, 19, 21} → ______
- Prime numbers in {29, 8, 5, 7, 25, 17} → ______
- Prime numbers in {7, 23, 11, 13, 25, 21} → ______