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