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