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