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