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