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