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