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