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