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