2 x 3 x 5 x 7 x 11 = 2310.
720720 Prime factorised in power format: 2 = 2 3 = 3 4 = 2² 5 = 5 6 = 2 x 3 7 = 7 8 = 2³ 9 = 3² 10 = 2 x 5 11 = 11 12 = 2² x 3 13 = 13 14 = 2 x 7 15 = 3 x 5 16 = 2⁴ lcm = 2⁴ x 3² x 5 x 7 x 11 x 13 = 720720
The HCF of 165 and 210 is 15. The LCM is 2310.
The prime factorization of 770 is 2 x 5 x 7 x 11. To find the prime factorization, you would start by dividing 770 by the smallest prime number, which is 2. This gives you 385. Then continue dividing by prime numbers until you reach only prime factors.
35. 350 = 2 x 52 x 7 385 = 5 x 7 x 11 hcf = 5 x 7 = 35
2, 5, 7 and 11
2 x 2 x 5 x 7 x 11 = 1540
2 x 3 x 5 x 7 x 11 = 2,310
38,500 = 2 x 2 x 5 x 5 x 5 x 7 x 11 or 22 x 53 x 71 x 111
2 x 3 x 5 x 7 x 11 = 2310.
2 x 2 x 7 x 7 x 7 = 1372
The prime factorisation of 15400 is 2 x 2 x 2 x 5 x 5 x 7 x 11 or 23 x 52 x 7 x 11.
5 x 11 = 55 2 x 5 x 7 = 70 2 x 5 x 7 x 11 = 770, the LCM
2 x 2 x 3 x 5 x 7 x 7
Factor them. 2 3 2 x 2 5 2 x 3 7 2 x 2 x 2 3 x 3 2 x 5 11 Combine the highest amount of each factor. 2 x 2 x 2 x 3 x 3 x 5 x 7 x 11 = 27720, the LCM
720720 Prime factorised in power format: 2 = 2 3 = 3 4 = 2² 5 = 5 6 = 2 x 3 7 = 7 8 = 2³ 9 = 3² 10 = 2 x 5 11 = 11 12 = 2² x 3 13 = 13 14 = 2 x 7 15 = 3 x 5 16 = 2⁴ lcm = 2⁴ x 3² x 5 x 7 x 11 x 13 = 720720
4620 = 2 * 2 * 3 * 5 * 7 * 114620 = 2 x 2 x 3 x 5 x 7 x 11