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