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