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