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