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