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