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