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