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