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