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