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