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